Made of sturdy chrome vanadium steel, very durable Suitable for most ring or double eye scissor jacks on the market Easy to use the following tools: 1. 1/2 inch driver / impact drill / ratchet or standard drive slot. 2. 13/16 inch lug wrench/tire iron or socket, or easily a half inch adapter to any drill bit. 3. If you 't have a 1/2 inch hex wrench or impact wrench, you can Easily plug a standard drill bit into the 1/2 inch adapter and use any cordless or corded electric drill with this tool and those difficult scissor jacks. Product weight: about 175g Slot inner diameter: about 1/2 inch Slot outer diameter: about 13/16 inch Colour: black + silver Material: chrome vanadium steel Package Contents: 1 x 1/2 inch Scissor Adapter 1 x 1/2 inch Socket Adapter Only the above package content, other are not included. Note: Light reflection 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.