Product name: high power booster ball Name: General Motors Booster Ball (all models can be used)Material: Zinc Alloy SiliconeWeight: 159 grams (main body)Model: SBT-1099Colour: BlackSize: 5.4*7cm Know Before You Buy Problem: When installing the booster ball, the washer is a bit loose, but the washer is too thick to tighten the screw after use. what should I do?Answer: The washer of the booster ball can be cut at will. The two gaskets are longer and will overlap when used directly. It can be cut during use. Shorten the gasket to reduce the internal thickne of the booster ball ring. The cutting of the gasket can be based on the size of the steering wheel. Trim yourself.Question: I have an original booster with very light direction. Do I still need the Lord of the Rings to control the boost ball?Answer: "Lord of the Rings" controlling the car booster ball is not an ordinary directional booster ball. Booster ball is a kind of labor-saving ball that has been used for a long time on ordinary forklifts. Operational control performance of driving. After use, you can drive as much as you want. Let ordinary people have a higher level of driving skills and improve driving safety.Question: I am a XX model dedicated to a special car, which model should I choose?Answer: The special car is dedicated to our SEBTER booster ball. The sub-circumference is a three-gear circle of 10 cm / 11 cm / 12 cm. You only need to measure the position of the car steering wheel (the area with the A/B/C/D icon), and just select the "Lord of the Rings" to control the corresponding SKU option of the booster ball. The "Lord of the Rings" control booster ball is more suitable for installation, more perfect in appearance and safer to use. .