499 Air Force SurvivalManufacture ID: 6150Ontario Knife 499 Air Force Survival Made in the USAFeatures:- Sawteeth on spine- Steel butt cap- Leather sheath with- sharpening stone and tie down cord.Specifications:- Edge Type: Combo - Lock Type: Fixed - Hardness: 50-55 HRC - Overall Length: 9.5"- Weight: 9.9 oz- Blade Length: 5"- Blade Material: 1095 Carbon Steel - Blade Grind: Flat - Blade Thickness: 0.17"- Blade Color: Black - Blade Finish: Zinc Phosphate - Handle Color: Brown - Handle Material: Leather - Handle Thickness: 1.0"- Sheath Type: Belt Loop - Sheath Color: Brown - Sheath Material: Leather