Pro-Shot Shotgun Choke/Chamber Tool Fits 10-.410 Gauge. Use with a bore brush for screw-in choke area and use with a standard type chamber brush for chambers. Fits 10 through .410 gauge. Specifications for Pro-Shot Shotgun Choke/Chamber Tool Fits 10-.410 Gauge: Manufacturer: Pro-Shot Caliber: .410 Bore Package Contents: Pro-Shot Shotgun Choke/Chamber Tool Fits 10-.410 Gauge The Pro-Shot Shotgun Choke/Chamber Tool Fits 10-.410 Gauge CHTOOL is a quality addition to the Pro-Shot lineup. For more great deals on Cleaning Kits by Pro-Shot please browse our Pro-Shot Gun Cleaning Kits page. Pro-Shot Shotgun Choke/Chamber Tool Fits 10-.410 Gauge