2"2" Rubber Hitch Tube Cover (Packaged) If you own a vehicle with a trailer hitch, you know how quickly the receiver tube can get built up with dirt, debris and road grime. It does not take long before inserting a ball mount or hitch-mounted accessory into your trailer hitch becomes more difficult than it should ever have to be. With enough time and moisture exposure, the inside of a receiver tube can become seized up with rust, making it very difficult to use. Keep your trailer hitch's receiver tube clean and protected when not towing with one an attractive and durable tube covers. Constructed from quality rubber and mounts on your trailer hitch with a friction fit, Meaning no hitch pin or clip is required. Defend your trailer hitch from the harsh elements with a trailer hitch cover.