This touch bar is UL Listed for use with three-hour fire doors. Often used on emergency exits, it opens doors with a push and has a hydraulic damper for quiet operation. You can use it alone or mount an optional handle on the outside of the door. Handles are also UL Listed for use with three-hour fire doors. Touch bar can be cut to fit a range of door widths.

Latch bolt projection is the length the latch bolt extends from the door's edge.