This kit 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 stand securely Suitable for 1/4 " Chuck quick change systems or directly into the drill chuck. Change your hand socket set into a Driven Socket set These impact resistant adapters are suitable for the most demanding applications. The 1/4 " hexagon socket fits all quick-change chucks as well as standard drill chucks. Bit adapter, drill nut pilot, power extension bar, 3 pieces 1/4 ", 3/8 ", 1/2 " Widely used: DIY home, bedroom, car parts, specializing in machine repair and so on. Change your hand in a driven kit Style: XF3 Features: & nbsp; Material: chrome vanadium steel. & nbsp; Weight: 100 g. & nbsp; All standard sockets 1/4 " hex shank.