![Klacci FB Series Flush Bolts](https://www.klacci.com/wp-content/uploads/Klacci_FB_Series_Flush_Bolts.jpg)
FB Series Product Options
Inactive door locks automatically when the active door is closed; Inactive door unlocks automatically when the active door is opened.
Opening the active door + Manually unlatching the top bolt = inactive door is accessible; Closing the inactive and active door leaf in sequence = …
Switching the lever/snib upward to unlock, downward to lock; You now have access control of the inactive door in your fingers.