ITEM NAME:3Pcs/Set 1/4" 3/8" 1/2" Hex Power Drill Driver Socket Wrench Adapter Extens #gib Store Home Promotion Hot Item Add to Fav.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) adapter. 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.