Multiple short brushes embedded in the floss pass easily through the shortest action or port. Initial floss area (inside the barrel) removes loose grit and debris prior to the scrubbing action of the brush Main floss, with 160 times more floss than a patch, supercleans the bore. Brass weighted drop-through cord slips easily down barrel; Grasp and pull the cleaning cord through the barrel. One pull through does it all. Features: The world's quickest, three-step bore shine. Extremely packable. Available for rifles, shotguns and pistols. Brass weight on the pull cord is stamped with the size. Machine washable. Patented one-piece design.