This steering wheel knob is made of high-quality rubber and the ABS knob is coated to ensure maximum strength and durability with a long lifespan. Designed for years of trouble-free use. High Durability: If you want to choose a booster ball that is high durability, this one is your best choice, because it is made of high-quality rubber, and ABS knob with coating, you can ensure maximum strength and durability with long service life.
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