Throwing Knife BLACK FOX Knives Italy, tactical military fixed blade throwing knives with blade of 440 stainless steel of high quality with surface treatment in Titanium Idroglider a coating based on PTFE + TITANIUM very resistant to abrasion and waterproof - Single Edge Blade - HRC 57/59 - Blade length 3.4" - Overall length 7.5" - Supplied with Nylon sheath.