Star Brite® Trailer Bearing Grease, 3 OZ Cartridge, 2 Pack. Superior rust and corrosion protection from salt water, salt air and atmospheric chemicals. - Features - 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.