1Pcs Auto Car Power Steering Wheel Ball Spinner Handle Knob BoosterFeature:--The steering wheel power ball can lessen the turning radius and helps beginners and female drivers to drive safely.--The bearing-mounted power handle enables drivers to steer softly when driving slowly and parking cars.--Elegant appearance design upgrades fashion of your car.--Compatible with most major of vehicles, customize your car with this car strengthener ball.Description:Product Name: Car Steering Wheel Spinner KnobMaterial: ABS+ silica gel + iron clipApplicable vehicle: GeneralColor: BlackPacking list:1*Car Steering Wheel SpinnerInstallation method:The lower end of the clamp is screwed off, and then the upper and lower parts of the clamp are clamped to the steering wheel, and the screw can be tightened.Explanation:Manual measurement may be different from 1-3 cm. Due to the light and screen setting difference, the color may be slightly different from the pictures.Please tell us first when you have any problem, we will give you the best service and solve the problem ASAP. Thank you so much.