Dynatex 5th Wheel Grease is a high strength, waterproof lubricant containing graphite and molybdenum disulfide, formulated to withstand the harsh environments encountered by a fifth wheel. The high solids content forms a plating stock, giving this product higher load capacities crucial in a fifth wheel application. Rust and rust inhibitors are blended together with graphite, moly and thickeners to create a product that will outlast any conventional grease. Its virtually waterproof, so it wont wash off your skid rails on wet roads. Provides excellent lubrication and protection in all fifth wheel applications. It is easy to use and very cost effective. Use On: All Heavy Duty Fifth Wheel Top Plates, King Pins, Trailer Balls, Axle Slides, Lug Nuts, Fifth Wheel Sliders.