The Briley 20 Gauge Choke Tube Speed Wrench is a specialized tool designed for quick and easy installation and removal of choke tubes in 20 gauge shotguns.Briley 20 Gauge Choke Tube Speed WrenchDesigned specifically for 20 gauge shotgun choke tubesSpeed wrench design for efficient tube changesProfessional quality construction from BrileyEssential tool for shotgun maintenance and customizationPerfect for hunters competitive shooters and gunsmiths who need reliable quick choke tube changes in the field or shop.