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.• Provides a buffer between a 5th wheel hitch head plate and kingpin box• Easily fits on any standard kingpin• Reduces normal wear and tear when towing• Eliminates messy grease deposits on hitch plate• Constructed from tough polyethylene Eliminates messy grease deposits Reduces normal wear & tear when towing Made of tough polyethylene | Curt 10" 5th Wheel Lube Plate #16721