This is the official knife of the U.S. Navy Seals. It received the distinction after surviving one of the most extensive testing and evaluation programs ever formulated by the U.S. government. Crafted with Glass-Reinforced Nylon (GRN) handle and powder-coated, AUS-8 stainless steel blade possessing a 57-58 Rockwell rating. Include rugged nylon sheaths. Blade length: 7"L x 0.24"T. Overall length: 12.3". Weight 10.3 ounces.