Brownells Fits-All Gun Plug snaps at notches to fit all gauges and lengths. Fits more gun than any other plugs. With the universal Fits-All Plug, all that's required is a simple snap at the correct notch to fit all popular shotguns. For those oddball guns with non-standard length magazines, simply notch the Fits-All with a shop knife at the length required and snap! It's that easy! Complete instructions and convenient Snap-To-Fit Chart included. Made of unbelievably tough polypropylene with an oversize head to position it correctly in all magazines. Won't slide or rattle. Bright, safety-orange color is easy to see and find. Fast, economical way to help your customers comply with migratory game bird laws.