3M™ 5-Way Penetrant is a multi-purpose aerosol spray designed to free unmovable parts that have become rusty or frozen, while displacing moisture. It also works as an excellent light-duty lubricant and can dry out electronics. It has proven to inhibit corrosion and rust in certain applications. - Fast, aggressive tack. Long bonding range. Penetrates, lubricates, demoisturizes, cleans and helps prevent rust. Frees rusted, frozen nuts. Dries out electrical apparatus. Inhibits corrosion and pitting of molded dies and extension screws.