Trulock Choke Tube Wrench Machined 12 Gauge Trulock Chokes Black Small. 125 (1/8 inch) wide. The body is machined from high strength alloy steel and the handle is long enough to give leverage to remove those "stubborn" chokes. Black oxide finsh. Specifications for Trulock Choke Tube Wrench Machined 12 Gauge Trulock Chokes: Manufacturer: Trulock Gauge: 12 Features of Trulock Choke Tube Wrench Machined 12 Gauge Trulock Chokes: Fits Gauges: 12 Gauge Only Package Contents: Trulock Choke Tube Wrench Machined 12 Gauge Trulock Chokes Trulock TCWM12: Choke Tube Wrench Machined 12 Gauge Trulock Chokes Black Small