Function introduction Passage Function * Passage knob best suit hall and closet * Both sides of this beautiful lock head are always free and there is no locking function making it perfect for hallways, closet doors, pantry and anywhere else a lock isn't needed. Dummy Function * Non-Turning/Locking Knob,Just like a door handle * Usage:Mostly Interior use, ideal for doors that require only push/pull function– no latch or lock,especially for french door balcony corridor hallway closet and cabinet Privacy Function * Privacy Knob can be opened by privacy pin exterior when emergency things happens,there is no thumb turn is our crystal knobs.Complete crystal head will bring you a luxury feel. * Ideal for bathrooms, bedrooms, or anywhere privacy is necessary(not best one for security). Customer Reviews Price Lock Style Knob Knob Knob Knob Knob Knob Key Feature Keyless Keyless Keyless Keyless Keyless Keyless Function Passage&Privacy&Dummy Passage&Privacy&Dummy Passage&Privacy&Dummy Passage&Privacy&Dummy Passage&Privacy&Dummy Passage&Privacy&Dummy Finish Oil Rubbed Bronze Satin Nickel Blue Pink Polished Chrome Black & Nickel & Bronze