Feature:Made of alloy and silicone material, high-strength and durable, 360Smooth Rotation.Reduce the resistance of steering, enables drivers to steer smoothly when driving slowly and parking cars.It is compatible with all types of steering wheel on vehicles such as sedans, saloon cars, SUVs.Easy installation. Loosen the screw; clip it on the steering wheel; then fasten the screw.Specification:Material:Silicone + Metal+ABSColor:BlackSize:6.2cm/2.44inchx7cm/2.76inchx1.3cm/0.51inch (Approx.)Package Included:1Pc x Steering Wheel Spinner KnobNote:Please allow 1-3cm differences due to manual measurement.Due to the difference between different monitors,the picture may not reflect the actual color of the item.Thank you!No Retail Box,Packing Safely in Bubble Bag.