Stanley 95-441 10-Piece 3/8-Inch Drive Standard Socket Set, SAE 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 Standard socket sizes 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" Limited lifetime warranty