Blades for Spearfishing Fins

Minimal HD Blade - H Dessault

The Minimal HD blade by H Dessault combines compact dimensions with T300 carbon, offering an ideal technical solution for those starting to use carbon fins for freediving and spearfishing.

Technical Features

• Material: fine twill-weave T300 carbon, providing an excellent balance between lightness and mechanical strength
• Blade dimensions: 780 x 190 mm, optimized for effective thrust transmission
• Blade Stiffness: single stiffness (30 - Medium), for balanced responsiveness and efficient kicking
• Water rails: Elastic-K10 black, for improved hydrodynamics and water-flow stability
• Weight: 650 grams, ensuring comfort and ease of use even during extended sessions

Applications and Benefits

The Minimal HD blades are designed to offer a simple, lightweight, and effective product, especially suited to anyone looking for a first step into carbon fins. Ideal for freediving and spearfishing sessions, they ensure good power transmission and a solid balance between comfort and control.

X-Wing Blade - Mares

The Mares X-Wing blade is a high-level technical solution for freedivers looking for the perfect balance of agility, power, and control in the water. Made from high-quality elastomer, this blade is designed to deliver a smooth, stable, and high-performance fin stroke, adapting to the needs of those practicing freediving and spearfishing at every level.

Tapered Design and Variable Thickness

The tapered profile of the blade helps reduce water resistance during the fin stroke, promoting more agile and efficient movement. The variable thickness is one of the key elements of this design: it optimizes flex along the full length of the blade, delivering high propulsive performance without sacrificing maneuverability. The result is a blade that responds precisely and naturally to every leg kick.

V-Shaped Tip for Greater Stability

The distinctive V-shaped tip is specifically designed to ensure a more stable and directional fin stroke. This geometry reduces lateral water slippage, improving propulsive efficiency and movement precision—essential in hunting situations or during deep freedives.

Technical Features

• Material: high-quality elastomer
• Blade length: 713 mm
• Blade width: 190 mm
• Thickness: variable along the entire blade
• Tip: V-shaped design to prevent lateral slippage
• Flexibility: 30% softer than the Razor Pro model

Single Blade C4 MB001 CAMOSKIN MED

The single blade C4 MB001 CAMOSKIN MED is available in two different stiffnesses, allowing a personalized choice based on spearfishing or freediving needs. Made with specific materials to ensure an optimal balance between
responsiveness and thrust transfer, this blade delivers an efficient, fluid kick.

The CAMOSKIN surface promotes better hydrodynamic control, reducing drag during the thrust phase and improving fluidity in underwater movement.

Single Blade L-1090 for Freediving

The single blade L-1090 is designed specifically for spearfishing and freediving, available in three different stiffness options to match the thrust and response needs of each freediver.

Materials and construction: Made with selected materials to ensure lightness and mechanical strength, the blade provides effective power transfer and good responsiveness during finning. The choice of stiffness allows you to fine-tune the balance between flexibility and power, optimizing efficiency in the water.

Comfort and hydrodynamics: The blade design is engineered to reduce water resistance while maintaining smooth, fluid movement, supporting balanced trim and improved ergonomics during freediving dives.

• Available in 3 stiffness options to customize responsiveness
• Lightweight materials with high mechanical strength
• Hydrodynamic design for efficient power transfer
• Suitable for spearfishing and freediving

Prana Blades - Cetma Composites

The Prana Blades are an advanced model specifically designed for freedivers and spearfishers who demand uncompromising equipment in terms of quality and materials.

Materials and Construction

The blades are made of 75% carbon and 25% S-Glass, a high-strength fiberglass derived from the aerospace industry. Manufacturing involves an exclusive high-pressure, high-temperature vacuum process, with hot-melt impregnation using tetra-functional resin. This method ensures a defect-free component with a consistent fiber/resin ratio along the entire blade, providing strength and lightness.

Engineered Design for Efficient Kicking

The calibrated distribution of stiffness and mass along the blade promotes resonance within a range of natural frequencies that match the typical kicking frequency. This configuration optimizes thrust transmission, reducing fatigue and increasing the fluidity of movement underwater.

Water rails: constant-profile structure with a height of 10 mm, designed for optimal stability and trim control.

Blade dimensions: 667 x 185 mm, balanced to ensure efficient propulsion.

Variants

• Stiffness options: 25 soft and 30 medium to suit different thrust and kicking requirements.
  
• Logo and stringer colors:  red, orange, and yellow.

Applications

The Prana blades are specifically designed to improve reactivity and hydrodynamic efficiency during spearfishing and freediving, making the kick smoother and less tiring even during extended sessions.

Prana Blades - Cetma Composites

The Prana Blades are an advanced model specifically designed for freedivers and spearfishers who demand uncompromising equipment in terms of quality and materials.

Materials and Construction

The blades are made of 75% carbon and 25% S-Glass, a high-strength fiberglass derived from the aerospace industry. Manufacturing involves an exclusive high-pressure, high-temperature, vacuum process, with hot-melt impregnation using tetra-functional resin. This method ensures a defect-free component with a consistent fiber/resin ratio along the entire blade, delivering strength and lightness.

Engineered Design for Efficient Finning

The calibrated distribution of stiffness and mass along the blade promotes resonance within a range of natural frequencies that match the typical finning frequency. This configuration optimizes thrust transmission, reducing fatigue and increasing the fluidity of underwater movement.

Water rails: constant-profile structure with a height of 10 mm, designed for optimal stability and control of trim.

Blade size: 667 x 185 mm, balanced to ensure efficient propulsion.

Variants

• Stiffness options: 25 soft and 30 medium to suit different thrust and finning requirements.
  
• Logo and stringer colors:  red, orange, and yellow.

Applications

The Prana blades are specifically designed to improve responsiveness and hydrodynamic efficiency during spearfishing and freediving, making finning smoother and less tiring even during extended sessions.

Prana Blades - Cetma Composites

The Prana Blades are an advanced model specifically designed for freedivers and spearfishers who demand uncompromising equipment in terms of quality and materials.

Materials and Construction

The blades are made of 75% carbon and 25% S-Glass, a high-strength fiberglass derived from the aerospace industry. Production involves an exclusive high-pressure, high-temperature vacuum process, with hot-melt impregnation using tetra-functional resin. This method ensures a defect-free component with a consistent fiber/resin ratio along the entire blade, delivering strength and lightness.

Engineered Design for Efficient Finning

The calibrated distribution of stiffness and mass along the blade promotes resonance within a range of natural frequencies that match the typical finning frequency. This configuration optimizes thrust transmission, reducing fatigue and increasing the fluidity of movement underwater.

Water rails: constant-profile structure with a height of 10 mm, designed for optimal stability and trim control.

Blade size: 667 x 185 mm, balanced to ensure efficient propulsion.

Variants

• Stiffness levels: 25 soft and 30 medium to suit different thrust and finning requirements.
  
• Logo and stringer colors:  red, orange, and yellow.

Applications

Prana blades are specifically designed to improve reactivity and hydrodynamic efficiency during spearfishing and freediving, making finning smoother and less tiring even during extended sessions.

Blades PULSE - Cetma Composites

The PULSE carbon blades by Cetma Composites are a true revolution in the world of spearfishing and water training. Designed and manufactured 100% Made in Italy, the PULSE introduce the Hyperbolic Curve: an exclusive geometry that delivers maximum thrust with minimal effort, redefining the concept of responsiveness for high-performance carbon blades.

Technology and Materials

The PULSE blades are built with a selection of aerospace-derived composite materials, chosen to ensure maximum hydrodynamic efficiency and the highest structural reliability in all conditions of use.

• 100% HM (High Modulus) and HR (High Resistance) Carbon: the optimal combination of stiffness and toughness for a blade that is responsive, reactive, and virtually indestructible.
• Hot Melt Pre-preg: the composite material is impregnated with hot-melt systems using high-performance resin, ensuring a consistent and optimal fiber/resin ratio across the entire blade surface.
• OOT Technology – Out-of-Autoclave Technology: an exclusive Cetma Composites production process that achieves the same quality standards as the aerospace industry without the use of an autoclave, optimizing control over the composite curing process.

ZDF Excellence – Zero Defects

The PULSE blades are produced with Cetma Composites’ proprietary ZDF (Zero Defects) technology. This aerospace-derived production standard ensures a component with 0% internal voids, free from structural defects and with a perfectly consistent fiber/resin ratio throughout the blade. The result is a blade that maintains its original mechanical characteristics over time, with no performance degradation.

FEM-Optimized Design

The geometry of the PULSE blades is the result of advanced design using finite element analysis (FEM – Finite Element Method). The structural simulation software used by Cetma Composites ensures optimal stiffness distribution, in order to reproduce a blade deformation profile that maximizes hydrodynamic efficiency during finning, both vertically and horizontally.

The Hyperbolic Revolution

The defining feature of the PULSE blades is the Hyperbolic Curve: a patented geometry that sets these blades apart from any other product currently on the market. Thanks to this shape, the blade delivers a unique biomechanical response, with instant responsiveness and powerful thrust from the very first kick. Ideal for spearfishing and intensive training sessions, the PULSE are designed for those seeking maximum performance without compromise.

Main Features

• Exclusive Hyperbolic Curve: maximum thrust with minimal effort
• 100% HM + HR Carbon: high elastic modulus and high mechanical strength
• Hot Melt Pre-preg: hot-melt impregnation for superior composite quality
• OOT Technology (Out-of-Autoclave): exclusive Cetma Composites aerospace production process
• ZDF Excellence – Zero Defects: 0% voids, defects, and structural discontinuities
• FEM Design: advanced finite element design for optimal hydrodynamic efficiency
• 100% Made in Italy
• Ideal for spearfishing and training

Single Blade S-990 CAMU

The single blade S-990 CAMU is designed for spearfishing and freediving, with a strong focus on responsiveness and smoothness during the fin stroke. This model is available in the Soft - 25 stiffness version, ideal for those looking for a balance between elasticity and power transfer in the water.

The blade is made with selected materials to ensure good hydrodynamic efficiency and a low weight, making it easy to handle and suitable for extended use during freediving sessions.

Single Blade L-1090 for Spearfishing

The single blade L-1090 is specifically designed for spearfishing, available in three different stiffness levels to suit different finning and resistance needs in the water.

The choice of stiffness allows you to optimize the efficiency and blade responsiveness, ensuring an ideal balance between power and comfort in thrust transmission during underwater movement.

This blade is made with selected materials to provide a combination of mechanical strength and lightweight performance, promoting a smooth, controlled fin stroke without causing excessive fatigue for the freediver.