3/8 Inch Drive x 13/16 Inch Deep 12-Point Impact Socket Live All of the keys are

All of the keys are coated with a durable manganese phosphate finish that's resistant to corrosion

Part Number: BIT-DMS04-1040

Part Number: 87F450HCS8Y

Part Number: 100C800HCSSS/316

3/8 Inch Drive x 13/16 Inch Deep 12-Point Impact Socket Live All of the keys areSize is marked both with a high visibility laser marking and a permanent stamped marking that won't wear off Deep 12 point socket opening provides an exact fit for 12 point fasteners Radiused corners prevent fastener round off by applying force to a fastener's flat sides, rather than its corners Interior socket well extends far into the socket, which allows for better fastener engagement in more situations Meets a minimum of 1. 3 times the ANSI ASME