Cleaner Faster Kits, Cal 22, 223, 5.56, Patented Nylon Bore Brushes and Patches, by BoreSmith Qty 2 Jag Brushes with nylon bristles and standard 8-32 thread Our dual-purpose bore brush wipes deeper into grooves and reduces rod flex Qty 520 Triangle Patches, 100% cotton flannel and made in USA Premium notched triangular gun-cleaning patches do not get stuck and reduce rod flexing It out performs square and round patches in every way