Stainless Steel Multi-Tool Knife for Freediving and Spearfishing

The Mac Coltellerie multi-tool knife is made entirely of stainless steel, ensuring excellent mechanical strength and durability in marine environments. Designed specifically for boating use, it is a versatile and reliable tool for enthusiasts of spearfishing and underwater activities.

Technical features

• Material: stainless steel for high resistance to corrosion and marine agents
• Blade length: 7.5 cm, featuring a serrated blade for effective cutting operations
• Overall length: 18.5 cm with rigid handle, ensuring a firm, secure grip even in wet conditions

Integrated functions

• serrated blade for precise, controlled cuts
• shackle key for quick handling of spearfishing equipment
• screwdriver for in-water maintenance tasks
• bottle opener, useful once back on board

Applications in freediving and spearfishing

The robust construction and ergonomic handle make this multi-purpose knife an essential technical support tool for freediving, making safety and equipment maintenance tasks easier without compromising freedom of movement.
Its compact size and multifunctional design also ensure minimal bulk during dives and greater efficiency during transport.

Beuchat Mundial 2 Knife for Freediving and Spearfishing

The Beuchat Mundial 2 Knife is specifically designed for freediving and spearfishing, with a solid, functional construction tailored to underwater needs. The blade is 13 cm long and made from stainless steel, ensuring high corrosion resistance and long-lasting durability in the marine environment.

This blade features a dual edge: a sharp edge for precise cutting tasks and a serrated edge for cutting through tougher materials such as ropes or nets.

Technical features

• Blade material: corrosion-resistant stainless steel
• Blade length: 13 cm
• Total knife length: 22 cm
• Handle: equipped with an excellent non-slip grip that ensures a secure hold even underwater
• Stainless steel guard integrated to protect the hand during use
• Sheath: versatile attachment system, adaptable to the calf or belt for quick access

Functionality and use

The Mundial 2 is ideal both for underwater safety and for dispatching fish. The combination of a sharp and serrated blade provides versatility for different spearfishing needs, while maintaining light weight and easy handling.

The sheath attachment solution allows for practical, ergonomic carry, essential during freediving sessions to maintain freedom of movement and immediate access to the tool.

Naifu S Arm Knife for Freediving and Spearfishing

Naifu S is an arm knife designed with an ergonomic shape to ensure comfort and practicality during freediving and spearfishing activities.

Blade Technical Features

The blade, 66.5 mm long, is made from AISI420B stainless steel, known for its combination of strength and hardness. The blade is extremely sharp and includes an integrated line cutter. Its internal structure extends along the entire length of the handle, ensuring optimal rigidity and greater reliability in the water.

The blade heat treatment involves vacuum hardening at 1020°C, followed by nitrogen cooling at 20 atm, to improve hardness and mechanical strength.

Handle and Sheath

The handle and sheath are made from recyclable POM acetal resin, a plastic material characterized by high rigidity, low moisture absorption, and anti-friction properties, ideal for use in underwater environments.

The knife measures 144 mm in overall length, ideal for ensuring control and safety. The locking system uses a central retaining tooth that makes both fastening and release easier, improving practicality and speed of extraction during the dive.

Fastenings and Accessories

• Equipped with two rubber straps with stainless steel loops for fastening to the arm or leg, ensuring stability during underwater activity.
• The sheath features a rear hole for optional bungee mounting, increasing fastening and safety options.

Technical Specifications

• Blade material: AISI420B stainless steel
• Blade length: 66.5 mm
• Overall length: 144 mm
• Handle and sheath color: Black

Naifu S arm Knife for freediving and spearfishing

The Naifu S is an arm Knife designed with an ergonomic shape specifically developed for the needs of freedivers and spearfishers. The 66.5 mm blade is made from AISI420B stainless steel with vacuum heat treatment at 1020°C and nitrogen cooling at 20 atm, ensuring high hardness and mechanical strength while maintaining a long-lasting edge.

The blade shape includes an integrated line cutter, while its internal tang runs the full length of the handle, ensuring rigidity and effective thrust transfer during underwater use.

Materials and technical features

• Handle and sheath made from POM acetal resin, a rigid, recyclable plastic material with low moisture absorption and anti-friction properties that improve comfort and handling in the water.
• Colors: white handle, black sheath for easy recognition in the water.
• Total length Knife: 144 mm.
• Attachment with central retaining tooth that works both when locking and releasing, making extraction quick and safe during use.

Accessories and attachment

• Equipped with two rubber straps with stainless steel loops for stable attachment to the leg or arm, ensuring comfort and safety during spearfishing.
• Sheath with rear hole for optional anchoring of an additional elastic cord, increasing Knife stability during descent and retrieval.

Specific applications

The Naifu S is ideal for freediving and spearfishing, thanks to its combination of materials resistant to marine corrosion, compact design, and technical solutions engineered to ensure practicality, durability, and safety while diving.

Naifu Knife for Freediving and Spearfishing

The Naifu knife features an ergonomic design engineered to be comfortably secured to the calf or belt, ensuring practicality and quick extraction during freediving and spearfishing.

Blade technical features

The 94 mm blade is made from AISI420B stainless steel, vacuum hardened at 1020°C and nitrogen cooled at 20 atm, a process that ensures high rigidity and mechanical strength. The blade incorporates a line cutter and extends internally along the full length of the handle, increasing stability and precision in use.

Handle and sheath

The handle and sheath are molded from POM acetal resin, a recyclable plastic material known for its high rigidity, low moisture absorption, and low-friction properties, essential for ensuring comfort, durability, and easy extraction in the underwater environment.

The sheath locking system features a central retention tooth that provides secure locking while remaining easy to release, allowing the knife to be quickly drawn even while wearing dive gear.

Dimensions and attachment

• Blade length: 94 mm
• Total knife length: 204 mm
• Handle and sheath color: black

The knife is supplied with two rubber straps equipped with stainless steel loops for secure attachment to the leg or arm. On the back of the sheath there is a hole for the optional addition of an elastic band, increasing anchoring versatility according to the preferences of the freediver or spearfisher.

Salvimar Predathor Knife for Freediving and Spearfishing

The Predathor knife by Salvimar is designed for freediving and spearfishing operators who need a compact, versatile tool that is easy to carry without restricting underwater movement.

Its compact size, with an overall length of 16 cm including the rigid sheath, allows it to be comfortably attached to the arm, belt, or calf, ensuring freedom of movement and practical use.

Technical Features

• Blade length: 80 mm
• Overall length: 160 mm with sheath
• Blade material: 430 stainless steel
• Blade shape: pointed tip
• Blade edge: double-edged with one smooth side and one serrated side
• Sheath: rigid for safety and easy access

Use and Benefits

The 430 stainless steel blade provides strength and corrosion resistance in the marine environment, while the dual-edge configuration allows both precision use with the smooth edge and more aggressive cutting with the serrated edge.

The ergonomic, compact design keeps the knife always within reach during freediving and spearfishing activities, with minimal bulk that does not compromise the fit of wetsuits or accessories.

Salvimar Predathor Underwater Knife

The Salvimar Predathor is a compact, practical underwater knife, ideal for freediving and spearfishing thanks to its reduced size, which makes it easy to carry without bulk.

It can be conveniently attached to the arm, belt, or calf, ensuring immediate access during underwater activity without restricting movement.

Technical Features

• Total length (including the rigid sheath): 160 mm
• Blade length: 80 mm
• Blade material: corrosion-resistant 430 stainless steel
• Blade type: double-edged, with a plain edge and a serrated edge for different uses
• Sharp tip designed for precision and practicality in underwater environments

Benefits for freediving and spearfishing

• Compact shape and light weight minimize bulk while finning and make it easier to handle underwater
• Rigid sheath support for secure attachment and quick access
• The 430 stainless steel blade ensures mechanical strength and durability in marine environments
• The dual-edge design allows you to effectively handle both clean cuts and sawing tasks, useful for retrieving catches or managing equipment

Salvimar Predathor Underwater Knife

The Predathor knife by Salvimar is a compact model designed for spearfishing and freediving. Its compact, lightweight construction makes it easy to carry during dives, allowing it to be comfortably attached to the arm, belt, or calf without creating bulk or compromising mobility.

Technical Features

• Blade material: 430 stainless steel, corrosion-resistant in marine environments
• Overall dimensions: 160 mm including the rigid sheath
• Blade length: 80 mm
• Blade type: double-edged with a sharp tip, plain edge and serrated edge for versatile use

The combination of plain and serrated edges allows effective use for both precise cuts and sawing through tougher materials, optimizing underwater tasks without sacrificing handling.

The rigid sheath ensures safe blade protection and allows quick, practical access to the knife during spearfishing or freediving activities.

Salvimar Predathor Underwater Knife

The Salvimar Predathor knife is designed for spearfishing and freediving enthusiasts who need a practical, functional tool with compact dimensions yet suitable for multiple uses underwater.

Technical Features

• Overall length: 160 mm including the rigid sheath, for easier carrying and handling
• Blade length: 80 mm, with a sharp tip for effective penetration
• Blade material: 430 stainless steel, resistant to saltwater corrosion typical of the marine environment
• Blade type: double-edged, with a smooth edge for precise cuts and a serrated edge for more demanding sectioning tasks

Versatility and Comfort in the Water

The Predathor’s compact design allows it to be comfortably attached to the arm, belt, or calf without bulk, maintaining full freedom of movement during freediving or spearfishing.

The rigid sheath provides secure blade protection, increasing carry practicality and safety underwater.

Salvimar Predathor Knife for Freediving and Spearfishing

The Salvimar Predathor knife is specifically designed for the needs of freedivers and spearfishers who require a compact, functional tool. Its reduced size and minimal bulk allow it to be easily positioned on the arm, belt, or calf, ensuring practicality without restricting movement while freediving.

Technical features

• Blade material: 430 stainless steel, resistant to marine corrosion and offering good mechanical hardness
• Blade type: double-edged with one smooth side and one serrated side, for versatility in underwater operations
• Blade length: 80 mm, balanced to facilitate precise cutting and control during use
• Total length with sheath: 160 mm, including a rigid sheath for secure protection and convenient carrying
• Sharp tip: designed to penetrate easily in different conditions during underwater activity

Benefits and use

The compact design and rigid sheath ensure a perfect fit against the body without limiting freedom of movement, while the double blade allows you to handle different types of cuts with precision and safety. This knife is ideal for specific tasks in spearfishing, such as freeing snagged gear or preparing the catch, offering an optimal balance of lightness and strength.

Cressi Predator Freediving and Spearfishing Knife

The Cressi Predator is a technical belt or calf knife, suitable for freediving and spearfishing. Designed to ensure reliability and easy handling in the water, it is built to withstand the mechanical stresses typical of underwater activity.

Main Technical Features

• Blade made from hardened AISI 420 steel with a black coating for increased resistance to corrosion and wear
• Double-edged Blade: one smooth side for clean cuts and one serrated side for more aggressive cutting tasks
• Diamond-shaped Blade cross-section that provides excellent bending resistance and reduces the risk of breakage during underwater use
• Blade integrated into the rubber-coated handle to improve grip and comfort, even in wet conditions
• Blade length: 86 mm
• Total length: 180 mm
• Blade thickness: variable from 3 mm to 5 mm
• Blade width: 17 mm
• Knife weight: 120 grams; with case and elastic fastening straps total weight: 200 grams

Sheath and Attachment

The rigid plastic sheath is hydrodynamic and designed for easy Knife insertion and release. Attachment is via a rubber ring that ensures security without restricting the movements of the freediver or spearfisher. Thanks to the two included elastic straps, the Knife can be attached either to the belt or to the calf, allowing a versatile and stable position while spearfishing.

Use

Designed as a compact stiletto Knife, the Cressi Predator is ideal for underwater cutting tasks, such as handling nets, lines, or other situations that require speed and precision. The combination of a smooth and serrated Blade makes the Knife suitable for the different technical needs typical of spearfishing.

SigalSub Razor Knife for Spearfishing

The Razor knife by SigalSub is a belt knife specifically designed for spearfishing, offering excellent durability and easy handling underwater.

Technical Features

• Blade of 8.5 cm in stainless steel, with a dual cutting profile: one smooth edge and one serrated edge to ensure versatility during underwater operations.
• Equipped with a shaft dislodger, essential for helping free your gear while spearfishing.
• Handle ergonomic with a push-release system; the red section allows quick and secure release of the knife from the plastic sheath.
• Total length of the knife: 18 centimeters, with a low weight of 50 grams without sheath and 75 grams with sheath, ensuring lightness and practicality during use.
• Sheath in durable plastic, designed for belt attachment, ensuring comfort and accessibility during dives.

Benefits for Spearfishing

The dual-edge blade configuration, combined with the quick-release system, allows efficient and safe underwater use, making both cutting operations and shaft dislodging easier. The balance between low weight and mechanical strength contributes to greater freedom of movement and precise handling of the tool in underwater conditions.

Ronin C4 – Knife for Spearfishing

Ronin C4 is a knife specifically developed for freediving and spearfishing, featuring an ergonomic and functional design.

Blade Features

The blade, 81 mm long, is made of AISI420B stainless steel, a material known for its corrosion resistance in marine environments. The blade extends through the full length of the handle, ensuring rigidity and stability during use. It is available with a razor grind for a clean cut and a serrated section specifically designed to make cutting lines easier. In addition, the line release notch allows speargun shafts to be freed quickly during spearfishing.

Handle and Sheath

The handle is co-molded with the knife body in POM acetal resin, a recyclable plastic material that offers high rigidity, mechanical strength, and low moisture absorption. Its ergonomic shape ensures a secure, practical grip during dives.

A high-power safety whistle is integrated into the base of the handle, useful for emergency signaling in the water.

The sheath, also made of black POM, features two double mounting holes for belt attachment. Its design includes a partial opening that allows the sheath to be repositioned on the belt without removing the weights, ensuring easy gear management during dives.

Technical Specifications

• Blade material: AISI420B stainless steel with anti-corrosion PVD treatment
• Blade length: 81 mm
• Overall length: 180 mm
• Handle and sheath: black POM acetal resin, co-molded
• Integrated accessories: high-power safety whistle
• Attachment system: sheath with double belt mounting holes, suitable for use while wearing weights

Ronin C4 Spearfishing Knife

Ronin C4 is a knife specifically designed for spearfishing and underwater use, featuring an ergonomic and functional design to ensure comfort and precision in the water.

Technical Blade Features

• Made from AISI420B stainless steel, known for its corrosion resistance in marine environments
• 81 mm blade length
• Razor-sharp grind for a clean, precise cut
• Part of the blade features specific serrations for efficient line cutting
• Equipped with integrated shaft extractors to help remove shafts in recovery situations
• Partial anti-corrosion PVD treatment to increase durability in saltwater
• The blade extends the full length of the handle, ensuring optimal rigidity and mechanical strength

Handle and Sheath

The handle is made by co-molding it with the blade body using POM acetal resin, a recyclable material characterized by high rigidity, low moisture absorption, and low-friction properties, ideal for use in underwater environments.

A high-power whistle is integrated at the base of the handle for emergencies during freediving.

The sheath in POM features two double holes for secure belt attachment and has a partial opening that allows it to be moved without removing the weights, increasing ease of use during spearfishing.

Dimensional Specifications

• Total length: 180 mm
• Handle color: Red
• Sheath color: Black

Benefits for Spearfishing

• Rigidity and mechanical strength of the blade and co-molded body ensure stability during cutting
• Ergonomic POM handle improves comfort and safety while freediving
• Sheath with belt attachment optimized to avoid interfering with the weights, ensuring practicality during underwater operations
• Integrated emergency whistle, a useful safety tool for freediving

Ronin C4 – Belt Knife for Spearfishing

Ronin C4 is a belt knife designed with an ergonomic layout specifically for freediving and spearfishing, providing practicality and durability in the water.

Blade Features

• Made from AISI420B stainless steel for corrosion resistance and durability
• 81 mm blade length with razor grind and serrations for efficient line cutting
• Surface treatment with anti-corrosion PVD coating to increase service life in marine environments
• The blade extends the full length of the handle for high structural rigidity
• Integrated shaft extractors for managing speargun shafts

Handle and Sheath

• Handle co-molded with the knife body, made from recyclable POM acetal resin, known for its high mechanical strength and low water absorption
• Ergonomic, rigid Handle for optimal comfort and control during underwater use
• Equipped with a high-power safety whistle integrated into the base, useful for emergencies in the water
• Sheath made from the same POM material, with dual holes for secure belt attachment
• Sheath design with a partial opening that allows it to be repositioned on the belt without removing the weights

Technical Data

• Blade material: AISI420B stainless steel with PVD coating
• Blade length: 81 mm
• Total knife length: 180 mm
• Handle color: white
• Sheath color: black

Features and Benefits

The co-molded construction of the handle and body ensures high rigidity and mechanical strength, an essential factor for freediving and spearfishing activities. The specially shaped blade with razor grind and serrations makes line cutting efficient, while the shaft extractors make it easier to manage shafts without compromising safety or smooth operation.

The use of POM resin for the Handle and Sheath ensures light weight, moisture resistance, and ergonomics suited to precise control of the knife in the water. In addition, the integrated whistle provides a useful safety feature in underwater emergency situations.

Salvimar fillet Knife with flexible tapered blade

The Salvimar fillet knife features a 17 cm blade made from 3Cr13 stainless steel, with a variable thickness from 2 mm to 1 mm. This specific design provides optimal flexibility, making filleting easier during spearfishing.

The thin, pliable blade allows for precise, clean cuts, improving efficiency when filleting caught fish.

The knife has an overall length of 31.5 cm and comes with a protective sheath, ensuring practicality and safety during transport and underwater use.

Knife Shark 9 Freediving Mac Coltellerie

The Shark 9 Freediving knife, made by Mac Coltellerie, is a knife specifically designed for spearfishing and freediving. Its shape allows versatile attachment to the belt, arm, or calf, ensuring practicality and safety during underwater activity.

Technical features

• Blade made of corrosion-resistant stainless steel, with a length of 8.5 cm, sharpened on one side and serrated on the other to ensure effective cutting of materials and fish.
• Total length of the knife: 18 cm, ideal dimensions for handling and precision in the water.
• Hydrodynamic Sheath made of rigid plastic with a click-lock fastening system, for quick and secure knife extraction underwater.
• Two elastic straps are included in the kit for attachment to the calf or belt, ensuring stability and freedom of movement.

Benefits for freediving and spearfishing

The knife’s geometry and finish ensure high mechanical strength and long service life, essential for frequent use in marine environments. The combined straight and serrated blade offers versatility for different types of underwater tasks, from managing equipment to small cutting operations on fish.

The compact, lightweight design, combined with the hydrodynamic fastening system, provides excellent integration with freediving and spearfishing gear, improving safety and efficiency during use.

Best Divers Shogun Knife for Spearfishing

The Shogun knife by Best Divers is designed specifically for spearfishing, with materials and features that ensure strength and reliability in high-salinity marine environments.

Materials and construction

• Blade in stainless steel, corrosion-resistant and built to last
• Handle in nylon, ergonomic and non-slip for a secure grip
• Sheath in rigid polyester fabric, with a low-profile design for easy carrying

Functional design

The sheath is designed to be worn comfortably on either the belt or arm, ensuring practicality during dives and freediving activity.

Technical specifications

• Blade length: 9 cm, an ideal size for spearfishing operations

Snake 2.1 Knife for Freediving and Spearfishing

Snake 2.1 is a knife designed for belt or calf mounting, ideal for freediving and spearfishing use. Thanks to its versatility and durability, it is a technical accessory suited to underwater needs.

Technical features of the blade

• 13.5 cm long blade made from high-quality stainless steel, corrosion-resistant in marine environments.
• Double-edge design with one smooth side for precise cuts and one micro-serrated side specifically for efficiently cutting tougher materials such as fish shafts.
• Practical hole integrated into the blade to help free jammed shafts underwater.

Ergonomic handle and materials

• Contoured handle coated with soft non-slip material, ensuring a secure and comfortable grip even in water and humidity.
• Built-in anti-corrosion system with an anode to increase the durability and mechanical strength of the structure.

Attachment system and ease of use

• Equipped with a semi-rigid sheath designed to be easily attached to either the belt or the calf.
• Attachment is via two straps with quick-release buckles, allowing the knife to be quickly removed or positioned underwater.

Salvimar ST-Atlantis Knife for Spearfishing

The Salvimar ST-Atlantis knife is designed specifically for spearfishing, featuring a compact, easy-to-handle design with a wide blade, ideal for larger fish.

The stiletto blade features a double edge: a smooth section for precise cuts and a serrated section for tougher tasks, including use as a fish scaler. Thanks to these features, the knife delivers versatility and functionality in the water.

Technical and functional features

• Made from high-quality steels to ensure mechanical strength and edge retention
• Handle with a dedicated notch for notching shafts
• Integrated hole in the handle to help straighten shafts during spearfishing
• Design engineered for secure attachment to a belt or arm, maintaining a streamlined profile so it does not interfere with underwater movement

The Salvimar ST-Atlantis knife combines efficiency and practicality, ensuring reliability and ease of use during spearfishing dives.

Salvimar ST-Atlantis Knife for Spearfishing

The Salvimar ST-Atlantis knife is designed specifically for freedive spearfishing, combining easy handling and compact size with a generously sized blade, suitable for processing large fish.

Technical features

• Stiletto Blade with double edge, one plain side and one serrated side, to make cutting and filleting underwater easier
• Made from high-quality materials with steels resistant to corrosion and wear in marine environments
• Handle with shaft-notch feature for easily managing broken or damaged shafts
• Integrated hole on the handle, useful for straightening shafts while spearfishing
• Dual-blade functionality: the serrated edge can also be used as a scaler

Equipment and comfort of use

The knife is designed to be securely attached to the weight belt or arm, maintaining an ergonomic profile that does not protrude from the spearfisher’s silhouette, ensuring freedom of movement and optimal hydrodynamics during freediving sessions.

Thanks to its combination of durable materials and carefully engineered design, the Salvimar ST-Atlantis ensures high durability and reliability even during intense and prolonged spearfishing activity.

Salvimar ST-Blade Knife for Spearfishing

The Salvimar ST-Blade knife is a compact, easy-to-handle tool designed specifically for freediving and spearfishing. The 75 mm stiletto blade features a dual combined edge: one plain side for precise cuts and one serrated side suited to cutting tough materials.

Designed for secure attachment to a belt or arm, the knife maintains a low-profile shape, avoiding bulk that could interfere with mobility and smooth movement in the water.

Materials and Features

• Made with high-quality steels to ensure mechanical strength and long-lasting durability
• The handle integrates a notch for deburring shafts, making it easier to prepare spearfishing gear
• Features a hole designed for straightening shafts, increasing practicality during freedive sessions
• The serrated blade can also be used as a fish scaler, expanding its functions in a freediving spearfishing context

Technical Specifications

• Blade length: 75 mm
• Total knife length: 185 mm

The Salvimar ST-Blade combines light weight and efficiency, making it a reliable technical tool for freedivers and spearfishers who need a functional, ergonomic, and versatile knife during their dives.

Salvimar ST-Blade Knife for Spearfishing

The Salvimar ST-Blade knife is a compact, easy-to-handle tool specifically designed for freedive spearfishing and spearfishing. The 75 mm stiletto Blade features a double edge: a plain section for precise cuts and a serrated section that can also be used as a scaler, ensuring versatility underwater.

Made from high-quality steels, the knife offers an optimal combination of strength and mechanical resistance, ensuring long service life even in marine environments. The design follows the spearfisher’s silhouette, allowing it to be mounted either on the belt or on the arm without protruding, increasing safety and practicality during dives.

Technical Features

• Blade length: 75 mm
• Total knife length: 185 mm
• Double-edge Blade: plain and serrated
• Handle with notch for disengaging shafts
• Integrated hole for straightening spearfishing shafts

Additional features such as the notch for disengaging shafts and the hole for straightening them optimize operational efficiency while freediving, making it easier to prepare and maintain equipment directly underwater.

SigalSub Storm Arm Knife for Spearfishing

The Storm knife by SigalSub is a technical tool designed specifically for spearfishing and freediving, featuring an ergonomic design and a full Stainless Steel construction to ensure maximum corrosion resistance in marine environments.

Technical Features

• Material: Full Stainless Steel, for excellent durability and mechanical strength.
• Blade: 7 cm double-edged, with one smooth edge for clean cuts and one serrated edge for more aggressive cutting, plus a practical center hole for freeing shafts stuck between rocks.
• Handle: Made from the same steel plate as the blade, ergonomic and perforated for excellent handling and secure attachment options.
• Total length: 17.5 cm, a compact size ideal for arm mounting without limiting freedom of movement underwater.
• Sheath color: Camouflage green, designed for use in underwater hunting environments.
• Weight: 80 g without sheath; 105 g with sheath included.

Equipment and Freediving Use

The knife comes complete with a rigid magnetic sheath made of plastic, designed to provide a secure hold while allowing quick release during use.

In addition, an elastic strap is available for arm attachment, ensuring a stable and easily accessible position during freediving sessions or spearfishing.

Specific Applications

This arm knife is ideal for

• Freeing shafts and spearguns trapped between rocks or substrates typical of the marine environment
• Making precise cuts with the smooth edge of the blade
• Working on tougher or more fibrous materials thanks to the serrated edge

Thanks to its light weight, ergonomics, and corrosion-resistant materials, the SigalSub Storm Knife is a reliable tool for spearfishing and freediving, providing functionality and practicality while underwater.

Sub 11 Knife for Spearfishing Mac Coltellerie

The Sub 11 by Mac Coltellerie is a knife specifically designed for spearfishing and freediving, featuring rugged construction and optimal handling. The 11 cm blade in stainless steel ensures excellent resistance to corrosion and to the stresses typical of the marine environment.

The blade features a smooth edge for clean, precise cuts and a serrated edge ideal for cutting line or tougher underwater tasks, offering versatile use in spearfishing situations.

Technical features

• Blade material: high-strength stainless steel
• Blade length: 11 cm
• Total knife length: 21 cm
• Blade type: double edge: smooth edge and serrated edge
• Sheath: rigid plastic with hydrodynamic design to reduce drag in the water
• Knife retention: rubber ring for greater safety and practicality
• Attachment system: elastic straps for belt or calf included
• Handle colors: black, blue, or yellow, subject to availability

Comfort and practicality in the water

The kit includes two elastic straps to comfortably secure the knife to a belt or calf, ensuring stability and quick access during freediving or spearfishing activities.

The hydrodynamic sheath, made from rigid plastic, ensures excellent ease of movement underwater, reducing drag and allowing the knife to be stored safely while finning.

Sub 9 C2 Mac Coltellerie Knife for Spearfishing

The Sub 9 C2 by Mac Coltellerie is a knife specifically designed for use in spearfishing and underwater activities. Its ergonomics allow it to be attached either to the belt or to the calf, ensuring practicality and easy access during the dive.

Technical Features

• Stainless steel Blade with dual geometry: one smooth edge for precise, clean cuts, and one serrated edge for specific uses such as cutting fibers or tough materials.
• Blade length of 9 cm, ideal for cutting and filleting tasks underwater.
• Total length 19.5 cm, compact dimensions to ensure handling and control even while moving in the water.
• Rigid plastic Sheath with high hydrodynamics, designed to minimize drag in the water while moving.
• Knife fastening system with an elastic rubber ring, ensuring stability and safety during the dive.
• Includes two elastic straps for practical and secure attachment to the belt or calf, adapting to the freediver’s different positioning preferences.

Functionality and Comfort

The curved blade is optimized for the specific needs of freediving spearfishing, allowing effective, controlled cuts. The combination of smooth and serrated blade offers versatile use, making it suitable for different types of materials and underwater situations.

The compact design, light weight, and easy handling ensure freedom of movement without interference during finning and dives.

Sub 9 Stiletto Knife Mac Coltellerie

The Sub 9 Stiletto by Mac Coltellerie is a compact knife designed specifically for spearfishing and freediving. It can be attached either to the belt or to the calf using the two included elastic straps, ensuring practicality and safety during dives.

The stainless steel blade provides a precise, long-lasting edge, with one plain edge for clean cuts and one serrated edge for more demanding cutting tasks, ensuring versatility during underwater use.

The sheath, made from rigid plastic, is designed with hydrodynamic criteria, minimizing drag in the water and making the knife easier to retrieve. The blade is secured to the sheath by a rubber ring that ensures stability and quick access.

• Blade material: stainless steel resistant to marine corrosion
• Blade length: 8,7 cm
• Total knife length: 19 cm
• Attachment: belt or calf with elastic straps
• Sheath: rigid plastic with hydrodynamic design and rubber ring

These features make the Sub 9 Stiletto a reliable, functional tool for underwater activities that require precision and safe cutting.

Sub 9 Stiletto 2 Mac Coltellerie Freediving Knife for Spearfishing

The Sub 9 Stiletto 2 is a belt or calf knife designed specifically for freedivers and spearfishers. The sharp, durable blade is made from black Teflon-coated stainless steel, ensuring long service life and corrosion resistance in marine environments.

Featuring an 8.7 cm blade with one plain edge and one serrated edge, it allows clean, precise cuts, useful for safety tasks and handling the catch. The total knife length is 19 cm, a size that balances easy handling with underwater functionality.

The sheath is made from rigid plastic with a hydrodynamic design to reduce drag in the water while finning, improving ease of movement. It is secured with a rubber ring that provides a safe, quick hold.

For greater practicality, the knife can be attached either to the belt or to the calf using the two included elastic straps, ensuring comfort and stability during freediving.

• Blade material: black Teflon-coated stainless steel
• Blade length: 8.7 cm
• Total length: 19 cm
• Sheath: hydrodynamic rigid plastic with rubber ring
• Attachment: belt and calf with included elastic straps
• Color: black

Beuchat Taz Knife for Spearfishing

The Beuchat Taz knife features compact dimensions and ergonomics designed to ensure comfort and practicality during spearfishing activities.

Its total length of 190 mm makes it easy to handle and carry, ideal for quick, precise use while freediving.

Sheath and attachment system

The sheath comes in black and features an adjustable strap system that allows secure, versatile attachment to the arm, calf, or belt. This setup ensures a stable, functional position, minimizing bulk and interference during finning and dives.

Tekno Daga 2 Knife for Spearfishing

The Tekno Daga 2 by Mac Coltellerie is a belt or calf knife designed specifically for freedive fishing and spearfishing. Its construction combines durability and easy handling, ideal for use underwater.

Technical Features

• Blade: made from black Teflon-coated stainless steel, providing high corrosion resistance and easy maintenance even in saltwater environments.
• Blade type: 10.5 cm blade with one smooth sharpened edge and one serrated edge, useful for precise cuts and handling tough materials.
• Overall length: 21 cm, a well-balanced size for easy maneuvering underwater.
• Sheath: made from rigid plastic with a hydrodynamic design that makes it easy to draw and insert the knife during spearfishing activity.
• Attachment: quick click-lock system that secures the knife in place without compromising fast access.
• Mounting support: supplied with two adjustable elastic straps for secure attachment to either the belt or calf, ensuring comfort and practicality during freedive fishing.

Applications and Use

Thanks to its sharp blade and design optimized for the marine environment, the Tekno Daga 2 enables quick, precise cuts, essential in spearfishing. The versatile attachment system and hydrodynamic sheath help maintain freedom of movement and safety during the descent and retrieval phases.

Tiger Magnet - Picasso

The Picasso Tiger Magnet is the quietest, fastest, and safest spearfishing knife ever made. A true revolution in underwater knives: no straps, no clips, no noise. Two powerful patented magnets completely immobilize the blade inside the sheath, eliminating any rattling and ensuring lightning-fast one-handed draw.

Patented magnetic retention system

The heart of the Tiger Magnet is its innovative magnetic retention system, a true market first. The sheath requires no traditional locking mechanism: the two magnets keep the knife perfectly secure, with no movement or rattling during the dive. Draw is instant, silent, and one-handed, with no delays in critical moments.

• Complete silence underwater: no noise that could spook fish
• Extremely fast one-handed draw with no straps or clips
• Safe and reliable magnetic hold throughout the dive
• Immediate, intuitive release with a firm pull

Double-edged stiletto blade

The blade of the Tiger Magnet is designed in a double-edged stiletto style: one plain edge for precise, clean cuts, and one serrated edge for cutting lines, nets, and tough materials. The dagger-style tip ensures powerful and effective penetration in any underwater situation.

• Stainless steel blade with full stainless one-piece construction
• Blade length: 3.5" (approx. 9 cm)
• Blade width at base: 1"
• Overall length: 8.25" (approx. 21 cm)
• Knife weight: approx. 110 g
• Double edge: plain edge + serrated edge
• Integrated line cutter in the blade

Multifunction ergonomic handle

The handle is made of stainless steel with ergonomic shaping and anti-slip stops to ensure a secure grip even with gloves. This is not just a knife: the handle integrates a range of practical tools essential for spearfishers.

• Integrated shaft extractor in the handle
• Shaft straightener with gauges for different diameters
• Hole for safety lanyard or retention bungee
• Anti-slip stops for a secure grip even with gloves
• Full stainless steel design: maximum long-term durability

Sheath and wearing system

The sheath comes complete with two types of mounts for versatile positioning on your gear. The stretch elastic strap ensures comfort and adaptability to different body shapes and gear configurations.

• Sheath with belt mount (belt-holder)
• Sheath with arm/bra-holder mount
• Comfort stretch elastic strap 5 cm × 41 cm included
• Can be worn on the belt, arm, or thigh

Torpedo 9 Knife for Spearfishing

The Torpedo 9 by Mac Coltellerie is a belt or calf Knife designed specifically for the demands of freediving and spearfishing. Featuring a durable, easy-to-handle construction, it is a reliable tool in the underwater environment.

Technical Features

• Blade: stainless steel, with a plain edge for precise cuts and a serrated edge for tougher cutting tasks.
• Blade length: 9 cm, ideal for underwater operations.
• Overall length: 21 cm.
• Sheath: made of rigid plastic with a hydrodynamic design to reduce drag when moving through the water.
• Attachment: simple and secure click-lock system to secure the Knife in the Sheath.
• Color: black Sheath and handle for low visibility in the water.
• Mounting support: includes two elastic straps for stable attachment to a belt or calf, ensuring convenient access during freediving spearfishing.

Benefits for Freediving Spearfishing

The Torpedo 9 provides good ergonomics and excellent handling, essential for precise Knife control while underwater. The combination of a sharp Blade and a serrated edge makes it easy to handle different types of cuts, useful during spearfishing. The hydrodynamic Sheath reduces drag in the water, promoting smoother movement.

Attachment Instructions

1. Place the Knife in the Sheath until the locking click is heard.
2. Adjust the elastic straps on the belt or calf according to comfort and the need for quick access.
3. Check the stability of the attachment before entering the water.