Cal-Royal SC Series, Extra Heavy Duty Mortise Locks with Clutch, Grade 1 - Classroom Security Lock w/ Deadbolt Function SC8457, F33 Hollon HS-1200E Home & Office Fire Safe 25 x External plug pin

25 x External plug pin C

but is also suitable for apartments

while attempts to lock the bolt from the inside using the thumb turn will not succeed

The HS-750E recessed curvature provides virtually air tight construction preventing smoke damage during a fire as well

Cal-Royal SC Series, Extra Heavy Duty Mortise Locks with Clutch, Grade 1 - Classroom Security Lock w/ Deadbolt Function SC8457, F33 Hollon HS-1200E Home & Office Fire Safe 25 x External plug pinClassroom Security Lock w Deadbolt Function: Latch bolt retracted by outside lever from either side unless outside lever is locked by key from inside or outside. Deadbolt projected or retracted by key outside. Operating inside lever retracts both deadbolt and latch bolt simultaneously and unlock outside lever. Inside knob lever is always free for immediate egress. Can retrofit Schlage L9000 Series mortise lock without drilling any additional holes on