Commercial Office Lock Kit with Keys - Square on Square - Black Finish
 
The vestibule locks are fully reversible and the function can be changed without removing the case. The auxiliary deadlatch bolt automatically locks the main bolt on closing the door. The vestibule locks always feature an inside handle to allow egress in case of emergencies.
 
Supplied With Fixings
Sets Come Complete With All Items Required For Standard Operation
Backset - 60mm Standard 
Door Thickness Standard - 32mm - 53mm 
Door Thickness Extended Cylinder - 32mm - 60mm
External Function - Outside handle is locked or unlocked by either key from outside or turnsnib inside
Internal Function - Inside handles are always free.
 
Fire Rated 2 hrs with all Major Fire Door Manufacturers