INSTALLATION INSTRUCTION FOR ST-BARRED SERIES PANIC EXIT DEVICE BEFORE INSTALLING DEVICE, PLEASE CHECK : EXIT DEVICE APPLIED MUST 1. IF DOOR FITTED AND HUNG. BE FLUSHED. 2. SIZE OF EXIT DEVICE, FUNCTION AND DESIGN... 2.1. 36"DOORS, CAN BE CUT TO FIT DOORS DOWN TO 30" WIDE. 22 48'DOORS, CAN BE CUT TO FIT DOORS DOWN TO 36" WIDE. 2.3. HAND OF DEVICE AGAINST APPLICATION. MOUNTING RAIL MOUNTING BRACKET ouT RIGHT HAND 4 LEFT HAND REVERSE BEVEL REVERSE BEVEL HIRELING DOGGING HEX KEY ~ CHASSIS ASSEMBLY 2.