Tow Bar Trailer Hitch Cover Automobile Accessories with Knob for RV

Waterproof, Dustproof, Oilproof: Made of good quality ABS plastic material, waterproof, dustproof, oilproof, etc. Prevent Loosening and Falling: Trailer coupling guard sits firmly on the head, with a screw knob to prevent loosening and falling Replacing Old Cover: Tow bar works for replacing your old trailer coupling cover, very practical Item Type: Tow Bar Application: Trailer hitch ive cover for trucks, semi trailers, cars, ships, etc.