Cal-Royal SC Series, Extra Heavy Duty Mortise Locks with Clutch, Grade 1 - Classroom Security Hold-back Lock SC8077 Lever By using a much flatter

By using a much flatter than normal dial lock

Closet / Storeroom Function: Latch bolt retracted by knob or lever from either side

Has 4 different hook lengths

please search for Lanai Sliding Glass Door Handle Set with Lock (Keyed)

Cal-Royal SC Series, Extra Heavy Duty Mortise Locks with Clutch, Grade 1 - Classroom Security Hold-back Lock SC8077 Lever By using a much flatterClassroom Security Hold back Lock Function: Latch bolt retracted by knob lever from either side unless outside is locked by key from either side. When locked, latch bolt retracted by key outside or knob lever inside. Auxiliary latch deadlocks latch bolt when door is locked. Depress inside knob lever and turn key 360 for hold back feature. Inside knob lever is always free for immediate egress. Can retrofit Schlage L9000 Series mortise lock without