Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - CLASSROOM SECURITY LOCK W/ DEADBOLT AND AUXILIARY LATCH F34 Master System Keys enabling the installer to secure

enabling the installer to secure the lock properly in all situations

such as Classic and Interactive

Not in the case of the Hercular since it is the only Grade 1 Deadlock with an adjustable backset

the FB-845E weighs 440 lbs

Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - CLASSROOM SECURITY LOCK W/ DEADBOLT AND AUXILIARY LATCH F34 Master System Keys enabling the installer to secureLatch bolt operated by lever from either side except when outside lever is lock from inside or outside by key. Deadbolt retracted by key from inside or outside. Operating inside lever retracts both bolts and unlocks outside. Auxiliary dead latch when door is locked. Inside knob lever is always free for immediate egress.