Cleans, protects & lubricates metallic surfaces. Forms protective film to prevent corrosion. Creeps into smallest openings. Dissolves rust & residues from unsuitable oils & greases. Frees rusty bolts. Keeps bores of firearms clean and true. Neutralises human hand sweat & acidic residues from propellent discharge especially black powder. Ideal for winterising boat, motorcycle and lawn mower motors. Cleans silver & brass. Maintains chrome plated parts. Safe for use in electrical installations.