PJ1 12-11 LPC-3 Penetrating Oil (Aerosol), 11 oz PJ1 LPC-3 Penetrant/Lubricant is the key to preventing rust and corrosion on all metal surfaces PJ1 LPC-3s superior lubrication properties lubricate all metal moving parts, penetrates deep to unlock frozen threads Prevents rust and corrosion, protecting all metal surfaces Deep penetrating formula provides excellent pivot point lubricant Stops squeaks and annoying joint noises