Carlson's cremator choke tubes feature our new triple shot technology and is offered in close mid and long range constrictions.Tst is a series of three graduated rings in the taper section of the choke tube, that allow a more gradual transition from the shotgun bore to the final constriction.The cremator offers reduced pellet deformation, less flyers, more dense patterns, wrench-less installation, quick removal and muzzle protection.Made in the usa.*note- optima hp and remington pro bore long range cannot be used with any steel shot larger than #2.Gauge: 12 GaugeConfiguration: Benelli Crio PlusFinish: BlackChokes Included: 1Material: 17-4 Stainless Steel