Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - CLASSROOM SECURITY LOCK Function F33 with Deadbolt Trim:DL Overall outer Dim (including frame):

Overall outer Dim (including frame): 53" x 16" x 5"

the milled pattern

ergonomic key head with a special silky texture

Additional Keys:  +$24

MUL-T-LOCK's Patented MT5® Key Control System

Cal-Royal NM Series, Extra Heavy Duty Mortise Locks, Grade 1 - CLASSROOM SECURITY LOCK Function F33 with Deadbolt Trim:DL Overall outer Dim (including frame):Latch bolt retracted by knob lever from either side. Deadbolt thrown or retracted by key from either side. Throwing deadbolt locks outside knob lever. Turning inside knob lever simultaneously retracts deadbolt and latch bolt and unlocks outside knob lever. Inside knob lever is always free for immediate egress.