WHOLESALE 14-Piece Deep Impact Socket Set SAE. Chrome Vanadium heat-treated steel with a corrosion-resistant black phosphate finish. 6-point hex socket design prevents round-off on nuts and bolts under high torque. Highly visible laser-etched size markings. Meets or exceeds ANSI performance standards. Set includes: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-1/4 in. and a storage case.Illinois Industrial Tool Professional series tools