Features:For professional racing design, it is very suitable for competitive competition. Made of high strength CNC alloy, it is durable and has strong endurance. After installing this quick release hub, the steering wheel can be installed and removed in a few seconds, making it easy to operate. This steering wheel nub adapter is exquisite in design, safe and anti-theft, suitable for any 6-hole steering wheel. Precision holes to keep your steering wheel not shake, supplies you a fast and effective update to your love car. Specification:Condition: NewItem Type: Steering Wheel Quick ReleaseMaterial: CNCColor: Black, Red, Blue, Gold, Silver (Optional)Height: Approx. 60.88mm / 2.4inMaximum Diameter: Approx. 81.25mm / 3.2inDiameter: Approx. 49.8mm / 2.0inHole Diameter: Approx. 9.88mm / 0.4in, 5.2mm / 0.2in.Note:This quick release cannot install the horn in the middle of the steering wheel, and can only be usedfor modified cars with external horns.