KA2221 Ka-Bar Mark 1The 2221 KA2221 Mark 1 is a 9 3 8" fixed blade built around a 5" 1095 carbon steel blade hardened to 56 58 HRC, giving you a tough, edge retentive platform that responds well to field sharpening. The black epoxy powder coat resists corrosion and glint, while the Kraton G handle provides secure, weather resistant grip in wet conditions. Steel guard and pommel add durability and weight forward, and the included Kydex sheath keeps it accessible and