1/2" Square Drive 18 Piece 12-Point SAE Chrome Hand Socket set 3/8-1.1/4" Input Drive Size: 1/2" Drive Shape: Square Type: 12 Point Socket Set Includes: 4405M 12 Point Sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 19/32", 21/32", 11/16", 3/4", 25/32", 13/16", 7/8", 15/16", 1", 1.1/16", 1.1/8", 1.3/16", 1.1/4" Metal Case: W330xH68xT48mm