100% Military Specification Collar with 300 Lb GTSR Acetal Buckle. This collar boasts the strongest plastic buckle collar on the market and is one of the newest additions to our Tactical K-9 product line. Made with Velcro-attached branch label just like today’s military uniform. Show your support for our military or your favorite branch of Military and Police. 1 inch Large Adjustable Dog Collar, 17-23 inches. Steel Hardware. Mil-Spec Tubular Nylon webbing is strong and comfortable because it has no hard edge to rub on the dogs’ neck. Black Oxide coated Steel D-Ring and Steel Triglide. Made in U.S.A.