Stanley 95-445 11-Piece 1/2-Inch Drive Deep Socket Set, SAE 11Pc 1/2 Drsckts et sae Stanley This product is made of high quality material Max-Drive design, a unique radius corner design that provides 15% more torque Helps reduce fastener wear without contact with the outer 5% of the fastener 1/2" Drive deep length socket sizes 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1" Limited lifetime warranty