MATCC Car Steering Wheel Suicide Spinner Accessory Knob for Car Vehicle More leverage and quicker turning response,Fine workmanship, delicate design and superior quality. Power ball can rotate 360 degrees, easy to operate. Equipped with a rubber pad, super wearable. Cushion between the steering wheel to help the ball, reducing friction.This can be used in different thickness of the steering wheel. If teh diameter of the steering wheel is narrow adjust by using the rubber backing and attach the product,For vehicles with attached steering wheel covers,scparate the cover,reassemble,and then attach the steering cover again. Color:black Weight:140g Universal: Fits most steering wheels Material: Bayonet is alloy, Spinner is excellent ABS.