High quality Mortise Lock with functions for variety of demands
TOP-SIN provides EU standard door lock set with multiple functions for entry doors at commercial, institutional and industrial buildings. Classroom lock is mostly installed on classroom, office, or utility room doors.
- Latch bolt retracted by lever from either side unless outside lever is locked by key from outside.
- When outside lever is locked, unlocked from outside by key or by inside lever.
- Inside lever always free for immediate exit.
- Auxiliary latch deadlocks latch bolt when door is closed, which has the anti-tear cylinder function.