JET Socket Wrench Set, No Impact Rated, Measurement System: Imperial, 21 Piece, 12 Points, 1-7/16 in, 1-1/2 in, 1-5/8 in, 1-11/16 in, 1-3/4 in, 1-13/16 in, 1-7/8 in, 2 in, 2-1/8 in, 2-3/16 in, 2-1/4 in, 2-3/8 in, 2-1/2 in, 2-5/8 in, 2-3/4 in, 2-15/16 in, 3-1/8 in (Standard) Included Socket Size, 1 in Drive, Metal Case, ANSI Specified, Canadian Government Specification CDA39-GP-12b, US Federal Specification GGG-W-641E Specifications Met, Forged Chrome Vanadium Steel