Passage Function：The passage knob only can latch but cannot be locked from both two side. Perfect for hall,closet, and interior room where locking function is not required Classy addition to your room：The glass door knob is made of high quality crystal,beautiful upgrade for any room in the house Adjustable Latch：Adjustable backset 60mm(2-3/8") or 70mm (2-3/4")，the glass door knob set fit doors 35 to 45mm (1-3/8" to 1-3/4")thick Easy to Install：The glass door knob is very easy to install. Only need a door and a tool set, you can do it yourself Satisfaction Guaranteed：If you have any problems about our glass door knobs, please contact us, we will reply you within 24 hours Dllween Antique Brass Door Knob, Crystal Door Knob Glass Door Knob Interior, Antique Door Knobs Passage Door Knob for Hall and Closet