{"product_id":"coltello-c4-niafu-s-white","title":"Naifu S Knife - White","description":"\u003ch2\u003eNaifu S arm Knife for freediving and spearfishing\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaifu S\u003c\/strong\u003e 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 \u003cstrong\u003eAISI420B stainless steel\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003ch3\u003eMaterials and technical features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandle and sheath\u003c\/strong\u003e 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.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColors\u003c\/strong\u003e: white handle, black sheath for easy recognition in the water.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal length\u003c\/strong\u003e Knife: 144 mm.\u003c\/li\u003e\n  \u003cli\u003eAttachment with central retaining tooth that works both when locking and releasing, making extraction quick and safe during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAccessories and attachment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEquipped with two rubber straps with stainless steel loops for stable attachment to the leg or arm, ensuring comfort and safety during spearfishing.\u003c\/li\u003e\n  \u003cli\u003eSheath with rear hole for optional anchoring of an additional elastic cord, increasing Knife stability during descent and retrieval.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecific applications\u003c\/h3\u003e\n\u003cp\u003eThe Naifu S is ideal for \u003cstrong\u003efreediving\u003c\/strong\u003e and \u003cstrong\u003espearfishing\u003c\/strong\u003e, thanks to its combination of materials resistant to marine corrosion, compact design, and technical solutions engineered to ensure practicality, durability, and safety while diving.\u003c\/p\u003e","brand":"C4","offers":[{"title":"Default Title","offer_id":56926999707993,"sku":"0KNIVESC4NASW","price":27.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6732\/1945\/files\/Coltello_Naifu_S_-_White.png?v=1782065633","url":"https:\/\/deepbluesub.com\/en\/products\/c4-niafu-s-knife-white","provider":"DEEP BLUE - Freediving \u0026 Spearfishing","version":"1.0","type":"link"}