Shotgun Choke Tube: This product is a removable shotgun choke tube designed for the compatible shotgun gauge and thread system identified in the title and specifications. It installs at the muzzle of a compatible shotgun barrel and is used to manage the shot pattern for its intended shooting application.

Speeder wrench design to fit the cross slots in the top of Patternmaster 20ga tubes.

These wrenches will NOT fit Patternmaster 20ga Code Black Turkey and/or 20ga Anaconda Striker Tubes.