Usage Tips: 1. Billet aluminum body, good bearing capacity, in using. 2. With 6 long screws and 6 short screws for various snap off needs, ball-lock type mechanism for best locking fit and usability. 3. Easy to operate, direct bolt-on, fast detach allows steering wheel to be removed quickly. 4. Push-pin security feature prevents premature unlocking, with screw-driven tools for easy locking. 5. Compatible with 6-hole steering wheel hub kit, designed for many aftermarket racing steering wheel. colour: black + silver Material: aluminum alloy + rubber Size: Diameter about 90mm, height about 60mm Package Contents: 1 x Quick release adapter 2 set x fitment screw 2 x Hex keys Due to different batches, accessories are slightly different 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.