... 1.Material:Carbon steel or CR-V; 27 PC Mechanics Tool Set:• 1/4 in Drive ratchet handle,carbon steel,heat ... , 7/32, 1/4, 5/16, 11/32, 3/8, 7/16, 15/32, 1/2,carbon steel,heat ... - 1/16, 5/64, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4,• 8 pc Hex key wrench Metric - 1 ... .5, 2, 2.5, 3, 4, 5, 5.5, 6 (mm ...