Part # 17584CRC PENETR8 is a high speed penetrant that rapidly frees rusted and corroded fasteners, pins and bound mechanisms. It helps to dissolve rust and corrosion while quickly penetrating. Penetr8 eases disassembly of mechanical equipment, fittings and fixtures through its high speed penetration. CRC Penetr8 is a clear formula that contains no dyes, and leaves no mess. CRC Penetr8 has a convenient 360 degree spray valve, allowing it to be sprayed from any position. The independent Capillary Penetration of Liquids test that was carried out on Penetr8 showed that it penetrates further than any of its competitors.