Adams Rite AR408502 Expanding Header Bolt Kit

The CRL Adams Rite® 4085 Header Bolt is designed to add a top-of-door locking point for the inactive leaf of a pair of doors when used with the DL2110B or MS18533 Long Throw Deadlock. This Bolt, when triggered by the pivoted MS Bolt, expands in a “scissors” action to center itself in its strike as it rises.
This Header Bolt fits the following door to cylinder height combinations:
Door Height – Cylinder Height: