Microlon Heavy Duty Grease is a high temperature, high performance grease. It is engineered to dramatically reduce friction and wear in extreme environments and in a wide variety of industrial applications. It has excellent adhesive properties and is resistant to wash out. Heavy Duty Grease is a great low-speed grease for exposed environments and is excellent for marine applications, fifth wheel lubrication, exposed gears, chain and sprockets; any extreme service in wet, muddy or dusty conditions. Unbeatable for use on boat trailer wheel bearings.