The Winchester Signature Series Invector-Plus Skeet Choke Tube is designed for precision and performance offering an extended length and expertly engineered choke tapers to ensure a reliable uniform pattern every time. Crafted from durable 17-4 stainless steel with a sleek stainless finish this choke tube is built to last. It is optimized for 12-gauge shotguns and features a constriction diameter of .005 making it ideal for skeet shooting at distances up to 30 yards. Approved for use with steel lead and non-toxic shot this choke tube provides versatility for a wide range of shooting needs. Its Invector-Plus configuration ensures a perfect fit and consistent results making it an essential tool for serious shooters.