Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - CLASSROOM SECURITY LOCK W/ DEADBOLT AND AUXILIARY LATCH F34 Trim:SS MUL-T-LOCK's drive-in bolt fits 1

MUL-T-LOCK's drive-in bolt fits 1 1/8" holes

Once the correct combination has been entered

Weight: 115

Institution Function: Latch bolt retracted by key from either side

Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - CLASSROOM SECURITY LOCK W/ DEADBOLT AND AUXILIARY LATCH F34 Trim:SS MUL-T-LOCK's drive-in bolt fits 1Latch 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.