When active door is closed the bolt automatically projects to lock inactive door. Bolt retracts when active door is opened. BHMA 4.4 TYPE 25: ANSI 156.3 UL Listed

Used to lock and unlock an inactive door when the active door is open. When the inactive door is closed, moving the lock lever up locks it and moving the lever down unlocks it. Meets FED SPEC 1049 : BHMA L14081: ANSI 156.16. UL Listed.