Hoppe’s BoreSnake is the fastest bore cleaner on the planet. One pass loosens large particles, scrubs out the remaining residue with a bronze brush, then swabs it all spotless with a cleaning area 160x larger than a standard patch.Features: The world’s quickest, three-step bore shine. Extremely packable. Brass weight on the pull cord is stamped with the size. Machine washable. One-piece design.