THREEBOND Super Lubricant is a spray lubricant that will penetrate rust & loosen screws, nuts, bolts etc. It also stops squeaking & protects moving metal parts with a non-drying invisible film which prevents further rusting. The product is Made in Japan General Uses - Industrial : For use on pipe fittings,valves,bolts and precision tools. Electronic : For use on electronic equipment. Home : For use on toys,sliding doors,hinges,zippers,household tools,finishing reel...anything that moves and/or sticks. Automotive : For drying out moisture-clogged ignitions,plugs,distributors,generators,wiring systems and electrical controls.