To gain access from the outside with a key as well as a combination, these handles accept an easy-change lock cylinder. The inside handle is always unlocked. These handles are UL-Listed for three-hour fire doors. They are programmable so you can assign different combinations to different people and restrict access when necessary.

Select a handle with the correct backset distance (the distance from the door’s edge to the center of the handle's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.