50mm Car Vehicle Truck Tow Ball Cap Tow Hitch Trailer Tow Ball Protect

Role: dustproof, waterproof, anti-oil and so on Features: with twisted screw to prevent loosening and falling. Single push tow ball cover to fit all standard 50mm tow balls. Helps maintain grease on the tow ball when used with a standard hitch. Scope of application: truck, truck, semi-trailer, car, boat and other traction ball cover.