Hoppe's 24000V BoreSnake Viper Pistol and Revolver Bore Cleaner, .22 Caliber Washable and reusable quickest 3 step bore shine Brass weight on the pull cord Cone shaped bore guide on the leading end The world's quickest 3-step bore shine 50-Percent more brush cleaning power than the original BoreSnake Coneshaped bore guide for quicker alignment Patented one-piece design; machine washable