Steering Wheel Spinner Heavy Duty Spin Ball Car Truck Labor-saving Handle Knob Features The steering wheel bayonet under the product is made of alloy, and the turntable above is ABS electroplating. A rubber ring is attached to the inside of the circle bayonet. 1. Generally, you have to turn hard when driving around a corner. If there is a steering wheel aid, it is easy to turn. 2. Installed on the steering wheel. 3. The turntable can be rotated 90 degrees. 4. Suitable for steering wheel with thickness below 32mm. 5. There is a rubber ring attached to the inside of the bayonet. Installation method: 1. Use a screwdriver to loosen the power ball tightening screw until the tightening position below can be opened 2. Put the inner lining in the appropriate position, clamp the power ball on the steering wheel, and fasten the screws (don't tighten it first, you need to rotate the power ball properly, and you can tighten the screws if you feel that the ball is installed correctly) How the booster ball works: Although many steering wheels have power assist devices, they still have a very dignified feel when turning. Generally, both hands can be used to play a circle, and sometimes you may have to play the round with one hand. But with the booster attached, you can make a lap with one hand. This is because the power-assisted ball concentrates more of the force distributed on the entire steering wheel in one position through the principle of physics, and the manipulation is smoother. Specifications Size:As Shows Package Include:1Pc x Steering Wheel Spinner Note: Due to different personal measurement methods, there will be an error of 2-4 cm, please understand Thanks for your support