Primos tss jelly head choke tubes are specifically designed for the all new tss load that is taking over the turkey hunting industry.The tss jelly head allows hunters to have a super-tight, evenly spread pattern allowing them the accuracy to kill even the toughest of gobblers.Enjoy the ease of installing and removing the new tss chokes without any tools.Gauge: 12 GaugeConstriction Type: TurkeyConfiguration: Rem ChokeFinish: BlackConstrictiondiameter: .650Material: Steel