Remington Premier Universal Shotgun Cleaning Kit - When it comes time to perform cleaning on your shotguns, don't think, just do. This kit helps reduce the strain of figuring out what cleaning kits you need because this kit services 3 popular shotgun chamberings, 12ga, 20ga, and 410 bore. Features Made in the USA ; Premier handle - fixed and ball bearing end; Bronze brushes for 12ga, 20ga, and 410 bore; Cotton mops for 12ga, 20ga, and 410 bore; Brass rod - with mil-spec threads - 20% stronger than standard threads; Nylon patch loop; Adapter included; Double ended cleaning brush; (4) - 9in brass rods, Mil-spec 8-32 threads;