SMB: Surface Mounting Box Installs on inactive door of pair of doors to accommodate rim-exit devices. For use with 7000 (783S and 789S), 9400, 9500 and 9600 series. Available in black finish only. Documents Accessories Overview Catalog Page Close Compatible Products HES 7000 HES 9400 HES 9500 HES 9600 FA 310-4 Close