Relentless Knives Straight Fillet Knife 8". 64cm) overall. 8" (20.32cm) blade. Black and green handle. Straight titanium blade with micro-serrated carbide cutting edge. Perpetual Edge technology. Each knife is made of aerospace grade titanium and features a hard carbide and crushed diamond power strip creating a perpetual edge knife that sharpens as it cuts. True Grit ABS handle. Black leather belt sheath. Boxed with hanging tab. Specifications for Relentless Knives Straight Fillet Knife 8: Manufacturer: Relentless Knives Blade Length: 20.3 in 8 in Overall Length: 40.6 in 16 in Package Contents: Relentless Knives Straight Fillet Knife