... Sockets, 6PT/INCH: 1) STANDARD LENGTH 2) INCH SIZE, RANGE: 5/16"-2-1/4" 3) ISO9001:2000, CCC ... Specifications:5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, ... 16, 1-1/2, 1-9/16, 1-5/8, 1-11/16, 1-3/4, 1-13/16, 1-7/8, 1-15/16, 2, 2-1/16, 2 ... -1/8, 2 ... -3/16, 2-1/ ...