DIROCK Mortise night latch lock

This is our mortise night latch with a small safety latch. This lock can help you achieve a certain degree of privacy protection needs, can be used in meeting rooms, operating rooms and so on.
Technical details-
72mm center distance, 55/60mm backset
CE certification, comply with EN12209/DIN18251/EN1634-1
SS304 of latch, safety latch, forend, strike plate, follower
200,000 test cycles
Fire resistance
Function-
Latchbolt is operated by internal lever handle and external key of profile cylinder. External lever handle is fixed and can not be pressed.
Safety latch can help to prevent latchbolt from force open by inserting an object through the door frame.