Bosch 2610012444 27286 9-Piece Impact Tough™ Socket Set for 1/2" Drive - This set features impact tough deep well sockets engineered for high torque. It is engineered to meet ISO standards. Forged steel reduces breakage. A hardened core increases socket strength and reduces fractures. The set includes the following sockets: (1) 7/16", (1) 1/2", (1) 9/16", (1) 5/8", (1) 11/16", (1) 3/4", (1) 13/16", (1) 7/8" and (1) 15/16".