Relentless Knives Curved Fillet Knife -Engineered for processing larger pelagic species such as Mahi-Mahi, tuna, and wahoo, the Relentless 9in curved fillet knife makes quick work of processing your catch. Its long, curved blade allows you to slab out a full side with a single clean cut. This isn't your average fillet knife, it's a high-performance tool and it's Relentless. Made in the USA with premium materials, Relentless knives stand ready for the toughest jobs on deck. 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 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 MeatCutter Micro-Serrated Cutting Edge