Cylinder mortise lock with an automatically deadlocking latchbolt for interior doors. Deadlocking is сontrolled by a snib in the front plate.
UP = Deadlocking, latchbolt protrudes 20 mm.
The lock can be opened only with a key or a thumbturn.
DOWN = Latchbolt protrudes 14 mm. Lock can also be opened with lever handles.
Striker plate 0045,0055, 0068, 0068B.
Other strikers also suitable.