Surface Mount Box, For Double Doors with no Mullion.
Installs on the inactive door of a pair of doors to accommodate rim-exit devices. To be used on wood or metal frames with the 310-4, 7000 (783S and 789S), 9500 and 9600 series (black finish only).
Grade 1.
This SBM is compatible with:
TITLE TAG: HES SMB - Surface Mounting Box | US Lock Supply