Function: 1. The handlebar mounting ball can reduce the turning radius and helps beginners and women to ride safely and comfortably while turning. 2. With an elastic band in the bayonet to protect the steering wheel. 3. The bearing control lever allows drivers to steer softly while driving and parking cars. 4. The sleek design enhances the fashion of the car. 5. Pin the ring on the steering wheel in the right place. Screw in the screw to securely fasten the ring. Specification: Characteristics: The power ball on the steering wheel can reduce the turning radius and helps beginners and women to ride safely and comfortably while turning. With an elastic band in the bayonet to protect the steering wheel. The bearing handle allows drivers to steer smoothly while driving and parking cars. Elegant design enhances the fashion of the car. Pin the ring on the steering wheel in the right place. Screw in the screw to securely fasten the ring. Compatible with most major vehicles, customize your car with this car reinforcement ball. Specification: Material: metal alloy, ABS, rubber Color: Black, Blue (Optional) Size: shown as picture Package weight: approx. 75 g/2,6 oz Installation: universal compatible with most cars/vehicles List of packages: 1 * Steering Wheel Rotary Knob 1. Before use, make sure the power handle is securely mounted. 2. Check the screw frequently to see if it is fixed or not. 3. Never use additional adhesive. 4. Avoid using the handle when driving at high speed (above 40 km/h). 5. If the steering wheel cover is mounted, mount the electric handle after removing the wheel cover and put the cover back on it. 6.