Von Duprin SS9875K 4 643E LHR Grade 1 Mortise Exit Device Wide Stile Pushpad 48 Classroom Function Knob with Escutcheon Hex Key Dogging Signal Emergency Exit Only Push to Open and Sound Alarm Aged Bronze Finish Left Hand Reverse

9875/9975 Mortise lock device for all types of single or double doors, UL listed for panic exit hardware. Fits stock hollow metal doors with 86 cutout and door stiles as narrow as 4 3⁄4" (121mm). The 7500 Mortise lock is equipped with a 3⁄4" (19mm) anti-friction latch bolt which is field reversible without removing the lock from the door. It has a non-handed auxiliary bolt for deadlocking and a faceplate with an adjustable bevel.