Has a locking button on the inside knob but no key device on the outside knob.
Can be either a knob or a lever.
In an emergency, the lock can be opened from the outside by inserting a narrow object through the small hole in the outside knob and either depressing or turning the locking mechanism inside, depending on the type of lock.
Available in a wide variety of styles and finishes.
DIY Frequently Asked Questions / Privacy Lockset')">
An interior lockset.