This set is perfect for your impact driver or drill and allows you to replace your ratchet with a power tool Spring loaded ball bearings on the head keep the socket in place Fits 1/4 quick change chuck systems or directly into drill chucks Turn your hand socket set into a driven socket set These impact resistant adapters are suitable for the most demanding applications. The 1/4 socket head fits all quick change chucks as well as standard drill chucks. Widely used: home DIY, woodworking, auto parts, specialized in machine repair, etc. Turn your hand into a socket set