this product is made of advanced formula, with the performance of penetrating and removing rust, cleaning and lubricating, inhibiting corrosion and protecting metal. it can eliminate the more key noise, penetrate and loosen the mechanical crankshaft, bolt or lock stuck by rust and corrosion. effectively eliminate rust, corrosion, dust, graphite and grease, and form a protective film, which can inhibit corrosion caused by moisture and many other chemical components. it can form and store a lubricating film on the surface of parts.