Ontario Knife Company 8180 498 Combat Knife w/ Sheath

This knife is used exclusively by U.S. Marine Forces. Specifications Blade FinishZinc Phosphate Blade ColorBlack Blade Thickness0.17 in (0.4 cm) Blade Material1095 Carbon Steel Blade Length7 in (18 cm) National Stock Number (NSN)1095-00-392-4102 Lock TypeFixed Edge TypePlain Hardness55-58 HRC Country of OriginUnited States of America Sheath MaterialLeather Sheath ColorBlack Sheath TypeBelt Loop Handle ColorBlack Blade GrindFlat Overall Length12 in (31 cm)