Hoppe Boresnake Viper, 12-Gauge: * 1-pass pull-through technology * Compact storage size * Extra cleaning brush * Provides 50 percent more cleaning power * Pull cord is attached directly to the brushes * Area to apply lubricant is clearly marked in bright orange * Fits .22 to .30 caliber rifles, 9mm to .45 caliber hand guns and 12-gauge shotguns * Material content: brass, nylon * Made in the USA