Keyed Entry Door Knob Handles
Keyed interior enter door knob lock is a kind of security door knob, always it can be locked from both the inside and the outside for safety and security.
In most cases, the inside of the key lock door knob is usually locked or opened with a turn or twist used to lock the door, while a key must unlock the outside knob.
There are also some key locking entrance door knobs that need to be opened on both the inside and outside of the door with a key. Or only the inside of the door can be opened with a key.
This keyed entry knob lock is often used at home entrances, including front doors, patio doors, and gates. It can also be used in other rooms in the home to protect home security and property security, such as a study room
The main types of keyed entry knob include double cylinder door knob and one-sided door knob lock.