Trailer Hitch Ball Cover, Trailer Protection Cap Plastic Tow Ball Protection Cover, Dustproof and Waterproof, for Car, RV, Trailer Ball Head ProtectionCOMPREHENSIVE PROTECTION- The trailer hook of the car will be protected to prevent corrosion or damage to the hook, and to prevent accidental grease on the clothes. The tow ball protector can also be used as a small bumper when parking, so you can wash your car with confidence.PRACTICABILITY- The trailer hitch ball cover can effectively protect the trailer ball from rust and scratch when not in use, and extend the life of the trailer ball and drag chain.EASY TO USE- No other tools are needed, just push in, easy to install and remove. The truck ball protective cover with a fixed ring can prevent loss.Colour: BlackDimensions: 52mm x 70mm for 50mm ball headQuantity: 2pcs1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding.3. Only the above package contents, excluding other products.