Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - CLASSROOM SECURITY LOCK W/ DEADBOLT AND AUXILIARY LATCH F34 Finish:Satin Chrome - US26D Mul-T-Lock's Patented Interactive Key Control

Mul-T-Lock's Patented Interactive Key Control System

you will not have to worry again about losing a key or having to change a battery again

External Dimensions: 19 5/8" H x 14" W x 15 1/4" D

Specifications Colors of plastic key head covers: black

The RG-22C is a 2 Hour Fire Rated at temperatures of up to 1400° F external and 350° F internal

Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - CLASSROOM SECURITY LOCK W/ DEADBOLT AND AUXILIARY LATCH F34 Finish:Satin Chrome - US26D Mul-T-Lock's Patented Interactive Key ControlLatch 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.