This is the SDC Security Door Controls WDRBM, a metal box designed for WD door arms, specifically compatible with models 1561/62ELCTLS in a nickel finish. It provides a robust and secure housing for the door arm mechanism, ensuring its protection and optimal performance within a door control system.
WDRBM - Sdc Security Door Controls METAL BOX WD DOOR ARM 1561/62ELCTLS NKL