Set comes complete with (1) copper wire chamber brush, one (1) stainless steel drill adapter, one (1) stainless steel handle and three (3) 14-inch stainless steel rods. Six (6) piece set. It fits 12ga and 20ga barrels. Wire brush will screw into the rods that screw into the drill adapter. This makes it easier to clean the barrels. The wire brush will also fit the handle so you can also clean the chokes as needed. *Please Note: It is recommended that our chokes are cleaned after every 8-10 shots to sustain maximum performance and results.**