Kleen Bore 12Ga. Aluminum Shotgun Jag. This cleaning kit snugly fits the contours of your shotgun's barrel removing debris from even the most inaccessible areas. With Kleen Bore's unique barbed tip the jag holds patches in place even when they're heavy with solvent. Kleen Bore Aluminum Shotgun Cleaning Jags screw on to a variety of Kleen Bore cleaning kits for added functionality. When you use Kleen Bore 20 and 16 Gauge Shotgun Jags you can return the bore of your shotgun to optimum efficiency. Specifications for Kleen Bore 16 or 20 Gauge Shotgun Jags: Gauge: 16 or 20 Features of Kleen Bore Aluminum Shotgun Jags: Barbed tip keeps patch secure and centered Screws in to standard cleaning rods Completely covers bore of shotgun Designed for 16 and 20 gauge shotguns Package Contents: Kleen Bore Aluminum Shotgun Jag 20 and 16 Gauge JAG233 KleenBore 1009481: Aluminum Shotgun Jag 12 Gauge