Stanley Proto J7344HT 1/2-Inch Drive Thin Wall Deep Impact Socket, 1-3/8-Inch, 6 Point Specifically designed for light clearance applications Reduced wall thickness helps improve access to fasteners in restricted areas All Impact sockets feature one through hole and a groove to accept a retaining ring and pin to secure the socket to the power tool anvil Chamfered service ends for quick and positive fastener engagement The TorquePlus design is a high performance drive configuration which allows for quick and easy socket engagement