This DeWalt DT7508-QZ impact adaptor features a hardened core for increased strength and durability. Its flexible Torsion Zone effectively absorbs torque peaks, reducing breakage, particularly in torsion bits. This 1/2" square to 1/4" hex adaptor converts any 1/2" impact wrench for use as an impact driver. The adaptor has dimensions of 1/2in (12.7mm) x 1/4in (6.35mm) and is suitable for all screwdriving applications. It is thinner than wrench sockets, allowing access to tough areas, and features large, easily identifiable laser-etched markings. This provides impact driver users with a socket solution designed for use with both corded and cordless impact drivers and wrenches.