A blend of fast-acting, super penetrating solvents designed to evaporate, leaving a thin transparent film to protect all metals from rust and corrosion. Pyroil™ Penetrating Oil’s unsurpassed penetrating ability quickly seeps into cracks, crevices and threads to loosen even the toughest stuck parts. Can also be used to clean grease, grime, adhesives, tar and scuff marks from most surfaces.