The Gun Boss Handgun Cleaning Kit is a complete system to keep your gun clean and firing accurately. Aluminum connectors, nylon jags, slotted tips and phosphor bronze brushes protect bores. The Gun Boss Handgun Cleaning Kit is a complete cleaning system that moves easily between the field, range and workbench.Features: - Cleans .22, .357, 9MM, .38, .40, and .45 caliber handguns - Compact and Portable Cleaning Kit Meant to Go Where You Go - Rubberized Tray to Keep Gun Cleaning Brushes and Supplies Organized - Weather Proof Case Makes this the Perfect Field Solution. Mfg: Real Avid