Sunex 2824 1/2-Inch Drive Deep Impact Socket Set, 24-Piece Expanded size range includes deep impact sockets from 5/16 - 1-1/2 3", 5", and 10" extensions provide access to virtually all recessed fasteners Universal joint included for swivel applications All Sunex impact sockets meet or exceed ASME specifications Forged from CR-MO alloy steel for maximum durability