Avias Knife Supply 12 Piece Tactical Metal Throwing Knife Set Naruto Kunai The Expendables 6 piece Black & 6 Piece Silver These throwing knives are 8.25 inch in overall length. Its material is stainless steel. Stainless steel blade length is 5.25 inch. Blades includes 6 pieces of black ones and 6 pieces of silve ones. 2.75 inch handle is cord wrapped and features a ring. Nylon Carrying case with zip closure is included.