Astra MB-Series short backset, brass body vestibule key-snibbing (classroom) mortice lock.
- Backset: 25.5 mm.
- Bolt projection: 14 mm.
- Metal door fixing.
- Re-handable.
- No cylinders.
- No escutcheons.
- No turnsnib.
Ascot/Rondo plates
Escutcheon not required when using Ascot/Rondo plates.
Vestibule function
- Mini bolt deadlatching
- Inside and outside lever retracts latchbolt except when outside lever is locked by cylinders or turnsnib.
- Inside lever is always free.
Supplied body only in satin chrome.