Industry-proven penetrating oil that quickly frees corroded nuts, bolts, and frozen parts. Penetrates tight spaces, removes rust, and displaces moisture. NSF-listed, 50-state VOC compliant.
Since 1939, Kroil has been the trusted choice of professionals and experienced shooters who demand reliable performance when dealing with corroded firearms and equipment.
Kroil penetrating oil is engineered to tackle the toughest corrosion problems:
Whether you're maintaining firearms, restoring vintage equipment, or working on any corroded metal components, Kroil delivers the penetrating power that has made it an industry standard for over 80 years.