Morakniv Craftsmen 333 Insulation Knife with Stainless Steel Blade, 13.2-Inch Professional grade trade knife with stainless steel blade Smooth edged knife suited for cutting fabric-covered thermal insulation Ample-sized plastic handle to fit your hand even when wearing gloves Limited lifetime manufacturers warranty. Blade Thickness: 0.06" (1.5 mm), Blade Length: 13.2" (335 mm), Total Length: 18.7" (475 mm), Weight: 8.1 oz. (230g)