With the 400 Micro Cleaning Kit, you can clean .410 through 12/10 gauge shotguns without disassembling it. This shotgun kit contains a 36” Memory-Flex® cleaning rod, an internal thread solid brass slotted tip, large and small Patch Savers®, .5oz. Otis O85® Ultra Bore® Solvent, all-caliber patches, and a 12/10 gauge bore brush.