Box End Wrench Set, Alloy Steel, Chrome, Insulated Yes, Number of Tools 16, 1/4 in to 1 1/4 in, 15 Degrees , Head Thickness 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in, 9/16 in, 5/8 in, 11/16 in, 3/4 in, Wrench Roll, SAE, Offset, 12-Point Box End