Star Brite Wheel Bearing Grease - Boat Trailer Marine Grade - 14 oz Grease Gun Cartridge This grease is designed for marine enviroment. Recommended for corrosive marine. applications - trailer wheel bearings, water pumps, hinges, pins, winches, anchor chain reels. Special water-insoluble formula is highly resistant to wash-out. N.L.G.I. #2.