Assa Compact 3085 Mortice Nightlatch

Nightlatches are suitable for entrance doors which must lock automatically when the door is closed.
Uses either Euro or UK Oval profile cylinders.
Supplied as standard with security box striking plate. .Square faceplate standard.
Hardened steel 13mm latchbolt deadlocks automatically when door is closed.
Hold-back snib for locking bolt into lockcase. 
Latchbolt is easily reversible.
Available with 57mm backset.