12GAUGE SCREW-IN THINWALL CHOKE TUBES 12-TWFUL

Beautifully made tubes with an extremely smooth inside finish and an undercut, tube-to-barrel joint to minimize shot and wad fouling buildup. Both Win-Choke^® and Tru-Choke^™ tubes are "invisible" style, no unsightly "knob" sticks out. And, they can't rust; they are stainless steel. Install/remove with a quarter. WARNING: FOR USE WITH LEAD SHOT ONLY.