Quickly penetrates through rust and corrosion to rapidly free corroded bolts, screws, fasteners, pins and bound mechanisms. Clear, no mess formula eases disassembly of mechanical equipment, fittings and fixtures. Has been proven to outperform the competition as verified by independent tests. Facilitates fast and easy disassembly of mechanical components, fittings, assemblies and other fasteners. Clear formula contains no dyes and leaves no mess. NSF H2 registered for use in meat and poultry plants. Size 16 oz. aerosol.