1 Passage Door Knob Function: The glass door knob is keyless outside, no lock function, only can latch from interior/exterior doors, suitable for closet, hallway, laundry rooms where the locking function is not necessary; 1 Privacy Door Knob Function: The glass door knob can be locked inside and opened outside in emergency. No keys. Use it for your guest rooms, bedrooms, bathrooms, interior locking doors and other privacy needs.
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