Commercial Classroom Lock Kit with Keys - Round on Square - Black
 
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
Classroom External Function - Outside handle is all ways locked key retracts latchbolt.
Classroom Internal Function - Inside handles are always free.
 
Fire Rated 2 hrs with all Major Fire Door Manufacturers