The T4000 C Black, model EX0434BLK, from Extrema Ratio Knives, is crafted in Armatec, an anti-corrosion and anti-reflection treatment, with a rugged black finish. The steel is a Böhler N690, a high-end steel manufactured in Austria, with a hardness of 58 HRC. This knife provides excellent cutting performance with a smooth and durable edge. It features a 4.1-inch blade with a flat grind and a tanto tip, offering exceptional penetration and cutting ability. This tool includes a black Kydex sheath for secure and versatile carry. Overall: 8.25"; Blade: 4" l Bohler N690 Stainless l Standard Edge; Handle: Black; Other Info: Lanyard Hole. Mil-C-13924 burnished tanto blade with lashing hole. Black Forprene handle. Black nylon belt sheath. Boxed.