The Gun Boss Shotgun Cleaning kit comes in a compact, weather-resistant travel case, it's a complete system to keep your gun clean and firing accurately. The Gun Boss Shotgun Cleaning kit fits 20 ga. & 12 ga. shotguns. Kit includes- 7-section rod system w/swivel tip combine to form a 33" rod, 12 ga. mop, thread adapter, T-handle, 20 ga. brush, 20 ga. mop, 12 ga. brush, 50 3" X 3" cleaning patches and a slotted tip.