FunctionWhat's this?Passage: Used where doors to not need to lock. Typical usage are closets and child bedrooms.Privacy: Used where doors need to lock from the inside, but where there is no key to unlock from the outside. Typical usage are bathrooms and bedrooms.Keyed: Used where doors need to lock and where a key is needed to unlock or lock from the outside. Typical usage are entry doors or locked storage rooms.Single Dummy: Used where doors need surface mount hardware only. Typical usage are bifold closet doors or decorative only applications.Double Dummy: Same as a single dummy but with two pieces for a surface mount front and back application.Dummy Set: Used where doors need non-functional hardware but where the door is drilled out.
These are seriously nice. They're heavy and sold feeling when you turn them, very smooth. The installation was easy. The color is perfect, true brass that matches the other finishes in my home. I am so pleased, I'm changing all my knobs now. Fantastic prices too!