(12) 20 oz. Cans. Cherry nut Buster Penetrating Oil is a premium formula that displaces moisture and rapidly breaks down rust. Excellent for removing parts, fasteners, and mating connections, as well as protecting metal from further corrosion. Non-flammable. For use on motors, wire cable, rusted parts, ignition systems, machine parts, door hinges, locks, nuts and bolts and refrigeration equipment. Areas of use include homes, hotels/motels, airplanes, cars and trucks, machine shops, oil rigs, manufacturing facilities, industrial plants and factories.