Magic wrench a true pentrant that attacks rust and corrosion quickly and safely to free corroded parts, loosen nuts and aid in the disassembly of mechanical components, this versatile synthetic formula is also NSF H-1 rated. Designed for synthetic product that may be used as a light machine oil, penetrating oil or rust preventive. Recommended lubrication: in aerosol form, when you press the trigger the material will dispense in a cone pattern allowing for quick coverage. This non-evaporating magic wrench will stay on the surface and penetrate where needed. Not recommended for surfaces being painted. Service rating: -60 degree F (-51 degree C) to 350 degree F (177 degree C). 13 oz Aerosol. Personal precautions: wear gloves and protective overalls. Environmental precautions: do not allow it to enter drains. Spillage: scrape up bulk, then wipe up remainder with cloth. To prevent walking hazard, pick up remaining residue with diatomaceous earth. Handling: no special handling precautions necessary. Storage: do not store at elevated temperatures. Aerosols: Pressurized container, protect from sources of ignition, direct sunlight and temperatures above 122 degree F (50 degree C). Do not puncture or burn, even after use. Keep away from children. Respiratory protection: none needed. Hand protection: protective gloves for hypersensitive persons. Eye protection: glasses, if applied to parts in motion. Body protection: overalls. Main hazards - health effects eyes: may cause irritation. Inhalation: viscous nature may block breathing passages if inhaled. Ingestion: may cause diarrhea. Skin: for hypersensitive persons, may irritate the skin after prolonged periods of contact.