Lock out all types of valves with a single universal device! The universal valve lockout system from Brady® is rugged, easy to use and replaces the need for multiple devices. Made of rugged industrial-grade steel and nylon for extra impact and chemical resistance. Versatile open-ended clamp fits over most closed rings and wide handles. Device can also lock out large levers, T handles and other hard-to-secure mechanical devices. Blocking arm (included) locks out quarter-turn ball values;add a second optional blocking arm (sold separately) to lock out 3-, 4- or 5-way valves.