Penetrating oil lasts longer
Aerokroil penetrating oil is available in a 13-oz aerosol can that fits conveniently in a tool box. The oil is harmless to metal and the environment, and contains no HCFCs, 111 trichlorethane, methylene chloride, Freon, or any other Class I or Class II ozone depleting compounds. The product is approved as a Category I material and has USDA approval.
Kano Laboratories, Inc.