High Quality Heavy Duty Hand Tools Ratchet Wrench AdapterPerfect for many jobs and great gift for all tool loversmatch drive sizes for the sockets, ratchet handles, extension Perfect for Mechanics, engineers, or DIY enthusiastsHand Tools Drive Reducing Adaptors Kit: WoodworkingModel Number: Drive Socket Adapter ConverterQuick Release Impact, Hex AdapterConvert any air or power impact wrench into a drill or ratcheting wrench intoa driver with this single piece chuck converter.Quick Release Converter for Impact Wrench.1/2-Inch Drive to 1/4-Inch Hex that converts air or power impact wrench into a drillsize: Length: 50mmBack end diameter: 12.5nnFront diameter: 6.35mmcolour:blackMaterial:steelPackage Contents:2 * Hex Female Socket Adapters2 * O-rings2 * pinsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.