Features: 1. With 6 long screws and 6 short screws for various snap off needs, ball-lock type mechanism for best locking fit and usability.2. Easy to operate, direct bolt-on, fast detach allows steering wheel to be removed quickly.3. Push-pin security feature prevents premature unlocking, with screw- tools for easy locking.4. Compatible with 6-hole steering wheel hub kit, designed for many aftermarket racing steering wheel.Description: This is a quick release adapter for standard 6 hole wheel steering. It has a bolt ball lock for best locking fit or usability, and the push-pin security feature prevents the premature unlocking. Hence, by using this hub adapter, you can snap off the wheel steering hub easily and replace it with the better one or which one you like.Specifications: Total Height: 6cm/2.36inchHub Adapter Diameter: 8.3-8.9cm/3.3inch x 3.5inchFitment: For most of steering wheel and aftermarket kit with 6-hole adapterMaterial: Metalcolour: BlackPackage Contents: 1 set steering wheel base quick releaseOnly the above package content, other products are not included.Note: Light reflection 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.