5.11 Tactical Aros K9 Nylon Collar - The Aros K9 Collar has been crafted with pure 5.11 DNA for your working K9 and built for ease of control and durability. Built with a battle-proven AustriAlpin COBRA buckle, the Aros K9 features a metal D ring and reinforced loop nametape holder for your K9's callsign/nametape. 1in nylon webbing with triglide adjustment. AustriAlpin COBRA buckle 1in wide nylon collar with triglide adjustment One loop ID panel Metal D ring 100% 1in Nylon Webbing Large: Girth 18in - 23in Weight: Large - 4.4 oz