Genuine DeWalt Socket Adapter Set that includes DW2541IR (1/4" hex shank to 1/4" socket), DW2542IR (1/4" hex shank to 3/8" socket), and DW2547IR (1/4" hex shank to 1/2" socket) adapters. This set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool. These impact ready adapters are rated for the most demanding of applications (2000 in/lb of torque). The 1/4" hex shank fits all quick change chucks as well as standard drill chucks.