Get the most performance out of your game with the Allen Company Choke Tube Vials. Stay free from clutter and keep your shooting bag organized with the help of these choke tube vials. The “film container” style tubes protect your choke tube threads from exterior elements. With these nifty vials, your chokes will remain ding-free and nicely oiled during storage. The choke tube vials are designed to fit most extended chokes, fitting up to 12-gauge chokes.