3M 5-Way Penetrant, 24 Oz.

Inhibits rust and corrosion by spreading a thin, even film that penetrates the pores of the surface Displaces moisture and "dries out" electrical parts to help prevent shorting and increase conductivity. Spray-on penetrant frees rusted, frozen bolts, nuts and screws. Lubricates delicate machines and precision instruments. Also ideal as a tapping lubricant for stainless steel and aluminum. Less harsh chemicals - made with fewer harsh chemicals, or safer chemicals than typical alternatives, helping reduce your use of and exposure to substances that may be more harmful to your health and the environment.