Mag 1, 3 pack, 3 oz. multi-purpose marine grease, water resistant, protects boat trailers bearings, ideal protection against water wash out, specifically formulated with a premium state of the art lithium complete grease & high quality base oils & additives, provides superior protection against rust & corrosion, has a melting point in excess of 500 degree. Which ensures performance where high temperatures are encountered, tubes are 4.25" in length.