This Ka-Bar Mark I is a replica of the USN MK 1 knife from WWII. It has a 1095 Cro-Van steel blade with a black finish. This updated version features epoxy powder coated blades for superb corrosion resistance and a non-reflective surface. Tang stamped USN. Leather sheath included.The leather handle is ergonomically shaped for stellar grip. This knife comes with a leather sheath for belt carry.