6.6 inch plain edge blade Knife Closed Length: 4.17-Inch Knife Open Length: 12-Inch Weighs 10.7 ounces Made of 1080 Carbon Steel The Ontario Knife M7-B Bayonet is used and issued exclusively to several branches of the U.S. Military. Situated in New York State's scenic Southern Tier, Ontario Knife Company produces one of the most comprehensive, wide-ranging product lines in the cutlery industry today. While being a worldwide supplier, the Ontario Knife Company is also a major supplier to the U.S. Government and its military. Ontario has built its reputation on a heritage of uncompromising craftsmanship, quality materials and components, and a steadfast commitment to its workforce. Spear point stainless steel blade. Black zinc phosphate non-reflective finish. Molded handle with finger grooves. Fits M16, M4 and AR-15. Includes molded plastic sheath with tension clip.