Trulock SKB Competition Precision Hunter 12 Ga Extra Full. This Choke Tube manufactured by the expert product specialists at Trulock Precision Hunter Shotgun Choke Tube is constructed of a high quality 17-4 stainless steel and has a black anodized finish. Precision Hunter Shotgun Choke Tube by Trulock Precision is perfect for shooters who are looking to improve the quality of their shoots. This Trulock Choke Tube is ideal for shooters who is looking to improve the quality of their shoots. Specifications for Trulock Precision Hunter Shotgun Choke Tube - SKB Competition: Manufacturer: Trulock Finish: Black Fabric/Material: 17-4 Stainless Steel Gauge: 12 Gun Make: SKB Condition: New Package Contents: Trulock Precision Hunter Shotgun Choke Tube Trulock PHSKB12695: SKB Competition Precision Hunter 12 Ga Extra Full