The DEWALT DW2281 1/4-Inch 3/8 Drive 6 Point Deep Impact Driver Ready Socket features recessed corners which distribute torque across flats - promoting life. This unit is thinner than wrench sockets for tough to access areas. Designed with large laser etched markings which makes identifying much easier. This provides the impact driver user with a socket solution as it is designed for use in both corded & cordless impact drivers and wrenches.