Craftsman 9-46813 Standard Short Arm Hex Key Set, 11-Piece All hex keys and hex key sets are proudly made in the U.S.A. Lifetime warranty .050, 1/16, 5/64, 3/32, 1/8, 9/64, 5/32, 3/16, 1/4, 5/16, and 3/8-Inch Short Arm sizes Caddy Weighs .6 pounds