Trulock Tru-Choke Precision Hunter Choke Tube 12 Gauge Skeet 1 Ported. This choke tube by Trulock is much needed when you want to etch a design in your muzzle. The Tru Lock True Choke Precision Hunter Choke was specifically designed and crafted by professionals who know exactly what you need and want out of your tools. When you're doing changes on your gun you want to make sure you have something reliable; you want to make sure you have Tru Lock Tru-Choke Precisin Hunter Choke Tube. Specifications for Trulock Tru-Choke Precision Hunter Choke Tube: Manufacturer: Trulock Choke Tube System: Tru-Choke Package Contents: Trulock Tru-Choke Precision Hunter Choke Tube Trulock PH12725P: Tru-Choke Precision Hunter 12 Ga Skeet 1 Ported