Cold Steel 20RBC Belt Knife, Roach Belly Blade Thickness: 2.5 mm Handle: 4" Long High Impact Polypropylene Hardness: 56-57 RC Steel: German 4116 Stainless Sheath: Cor-Ex Sheath Blade: 4 1/2" Overall: 8 1/2" Weight: 2.6 oz. Krupp 4116 Stainless steel This item is not for sale in some specific zip codes