PRIVACY: No keys; The latch bolt can be locked by thumb turn button on the inside knob. An emergency release tool can unlock the door from the outside. fit for Bedroom and Bathroom Doors
ENTRY KEYED: Each entry lock with 3 keys; The key outside and thumb turn inside; fit for exterior or interior doors. Keyed Alike function are available!
PASSAGE: Passage door knob have no locking function and are free turning on both sides. These levers are perfect for a hallway or closet where a lock isn't necessary. Passage levers can also be used in conjunction with a deadbolt to secure an entrance or back door.
DUMMY: Non-Turning Lock,Just like a door handle.Usage: Mostly Interior use,just like a door handle, usually for french door balcony corridor closet and cabinet!