This adapter very easy to use your scissor jack,when it is used with wrenches,especially with power drill or impact wrench. Premium quality material, for a long time use and good performance. Suitable to most of loop type or double eyelet type scissor jacks in the market(if you are worry about it's compatibility,please check the oval's size on your jacks). Increases the speed and ease that your raise and lower. Easy to use with the following tools: 1/2 inch drive/impact drills/ratchet or standard drive sockets. 13/16 inch lug wrench/tire iron or socket or easily add a half inch adapter to any drill. If you don't have a 1/2 inch hex or impact wrench, you can very easily get a standard drill bit to 1/2 inch adapter and use any cordless or corded drill with this tool and those difficult scissor jacks. Size: 8.8mm(0.35 inch) wide, 23.90mm(0.94 inch) deep, Bolt Length:4.1cm, Bolt Dimensions:9.7mm Colour: silver Material: metal Package Contents: 1 * Scissor Jack Adaptor Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.