The Bore Tech shotgun patch holder, is the best way to effectively clean your shotgun barrel. Made from virgin nylon the "fingers" apply even pressure on the patch to remove all of the powder and plastic residue. Using 3 1/2" patches for 10 to 20 gauge and 2 3/4" patches for 28 and 410 gauge shotguns, the Bore Tech shotgun patch holder is the best way to keep your shotgun barrel clean.