4-in-1 Penetrating Oil

Lubricates, penetrates, displaces moisture, and prevents corrosion. Contains graphite. Frees rusted and corroded bolts, studs, set screws, aluminum, and copper fittings. Also lubricates and prevents corrosion on rusted and frozen parts. Use on most metal, wood, and painted surfaces. 360 degree valve, USDA H2, NSF registered. Net 15 oz.