The Black Bird SK-4 is in OKCs award winning Black Bird series. The smallest knife in the series at 8 inches overall, the SK-4 fits the Black Birds renowned utility into a lighter and sleeker package, saving critical weight and space. The Black Bird is A Knife To Save Your Life, and is easier or more convenient to carry. The 4 full flat taper silver blade is made from 154 CM stainless steel, and is 58-60HRC with a satin finish, plain edge, and thickness of 0.125. The black handle is made from G10 steel. Includes a Molle compatible nylon sheath. Made in the USA.