The real professional - and longtime favorite - "after-bluing", one-step oil and protection treatment. Specially formulated; the molecules of oil actually displace the molecules of water still on the surface of the gun as it comes out of the final hot water rinse. Gives the gun a completely protected surface, ensuring your time spent on polishing and bluing will not be spoiled by rust under the oil. Also a superior rust preventive which neutralizes fingerprints, body acids and oils from handling and shooting. Provides a protective film with that proper "oiled and protected" feel preferred by many serious shooters and gun people. The standard by which other "after- Mfg: Brownells SPECS: Net contents; 1 qt. (946ml) or 1 gal. (3.8L) in metal can, 5 gal. (19L) in bulk container.