The grand lifestyle that goes hand in hand with 5th wheel towing is made perfect in the details. You can talk all you want about whose RV hogs the most road or whose 5th wheel hitch can handle the most tonnage, but when you get down to it, the best hitch and trailer setup in the world can never reach its full potential without the right accessories to back it up. Protect your 5th wheel hitch and 5th wheel trailer with a CURT lube plate. This 10\" disc easily slides onto the kingpin of your 5th wheel trailer, eliminating messy grease deposits and reducing normal wear and tear when towing with your 5th wheel.