Relentless Knives Straight Fillet Knife -Engineered for precision, control, and yield, the Relentless 10in Straight Fillet Knife with leather sheath is the go-to blade for navigating the delicate spine and rib bones of flat fish such as halibut and salmon. The long, narrow, and tapered profile allows for smooth, clean passes-minimizing waste and maximizing every fillet. Crafted from 100% aerospace-grade titanium and proudly made in the USA, this knife strikes the perfect balance between flexibility and strength-designed to perform flawlessly under pressure while resisting corrosion for years of reliable use. Perpetual Edge Technology NeverRust Titanium Blade 100% aerospace grade titanium blade SlickCut Anti- Friction Treatment Treated with SlickCut, an anti-friction boron nitride compound which enhances the lubricity of the cutting edge to reduce friction and improve cutting performance. True Grit Glass- Reinforced Handle The handle is made of a glass reinforced ABS but covered with the same gritty material used to create the non-slip surface found adjacent to swimming pools.