Steel Ball Valve Lockout • Used to lock 1/4 turn ball valves in the ‘OFF’ position • Small size fits ball valves 5/16″ to 2″ • Large size fits ball valves 2″ to 7-7/8″ • Made from standard A3 plate, surface treatment by high impact spray • Max valve stem Length: 1-3/16″ • Max valve stem width: 19/64″