The Birchwood Casey 1-2-3 Aerosol value Kit – 3 Tins value pack includes 10 oz. aerosol can of Bore Scrubber, Gun Scrubber, and Barricade. Gun cleaning made simple. 3 easy steps to clean your firearm: dissolve, clean and protect. First, use Bore Scrubber to dissolve copper fouling and residue left behind from firing your firearm. Second, clean out the dissolved material with Gun Scrubber. And, third, cover with Barricade to protect your firearm from rusting.