Durable Construction -- This steering wheel knob is made of premium quality metal alloy bolt, ABS knob with plating, ensure maximum strength and durability for long lasting usage. For years of trouble free use Simply Installation -- Clip the ring on the steering wheel at a proper position. Screw the bolt up to fix the ring securely. With rubber band in the bayonet to protect your steering wheel Increase Torque of the Steering Wheel -- Steering wheel spinner allow smoother turns especially U-turns, faster parking, safer lane merging and in general handling tight spots. When doing difficult car maneuvers, they will provide the much-needed support for controlling car steering wheels safely, conveniently and effectively Widely Compatibility & Elegant Style -- This steering wheel knob is compatible with most steering wheel diameters below 32 mm/1.26 inches. Customize your car with this car's reinforced steering wheel ball. The elegant design enhances the fashion of the car Lessens the Turning Radius -- The maximum rotation angle of this car steering wheel knob can reach 90 degrees. The power handle mounted on the bearing enables the driver to gently steer when driving slowly and parking. When the car is turning, the turning radius is reduced to help beginners and female drivers to drive safely and conveniently