Super-Intensive barrel cleaner Use with .177-Cal Match-Set Pocket airgun cleaning kit Felt wads with a hole punched thru the center to fit the flexible cleaning wire in the above-mentioned kit Felt wads are embedded with aggressive/coarse brass fibers for proper cleaning that will not damage a steel airgun barrel 100ct The convenience of a brass brush without having to change adapters or tools on your flexible cleaning wire. To release dirt from the bore, simply slip a felt wad onto the wire and pull through your airgun's bore.