The Collapsible Gate Valve Lockout Device from Brady® is a durable, easy to store device for the widest range of gate valves. Lockout covers fold into smaller sizes for easy storage in maintenance carts and lockout kits. Collapsible Gate Valve Lockout Devices from Brady® enable users to secure valves with 3 in. - 18 in. handle diameters with just 3 devices sizes. Cover the valve handle with the gate valve lockout device and apply a personal padlock and lockout tag to ensure employee safety. Rugged injection-molded styrene construction withstands harsh outdoor conditions.