The patented innovative design of the Master Lock 468L ball valve lockout eliminates the risk of valve reactivation with removal of the handle.  Simple remove and store handle and covers the valve stem for secure lockout.  Universal fit-effectively lock out all valves from 3/8″ to 4″.  The Master Lock 468L ball valve lockout works in virtually all valve installations – metal and PVC valves, insulated pipes, pipes mounted close to a wall or ceiling and valves with tight access due to proximity to other valves or pipes.