Relentless Knives RKB I Curved Boning Knife. 48cm) overall. 6" (15.24cm) blade. Curved 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 RKB I Curved Boning Knife: Manufacturer: Relentless Knives Blade Length: 15.24 cm 6 in Overall Length: 30.5 in 12 in Package Contents: Relentless Knives RKB I Curved Boning Knife