[Excellent Design] The flat-ball style door knob with circular linear design, perfectly accommodates palm-sized dimensions, making it an ideal complement for both luxurious and classical decor styles. Let the round door knob be the finishing touch to your home. [Assured Privacy] Ensure privacy from the inside by using a turn-thumb button, while the other side requires tools such as a coin or card to open the door lock, providing an excellent solution for creating a private environment. [Robust & Anti-Theft] Compliant with ANSI Grade 3 safety standards. Constructed with stainless steel electroplated polished brass finish for robustness and durability, with anti-pry and anti-collision capabilities. [Simple Installation] Easily install in just a few minutes by tightening the screws with a screwdriver. All the necessary hardware is included for a simple installation. [Door Compatibility] Featuring an adjustable solid latch with 60 mm (2-3/8-inch) or 70 mm (2-3/4-inch) backset, the interior door knob without keys is designed for doors with a thickness ranging from 35 to 45 mm (1-3/8-inch to 1-3/4-inch).

Three Function for Your Reference:

Keyed Entry Function-with lock and keys

Commonly used on front and entrance doors, as well as other doors where security is a priority.

Both sides of the door can be locked. The inner side can be unlocked by turning a button, while the outer side requires  a key for unlocking.

Privacy Function-without keys

Commonly used in bedrooms and bathrooms, as well as other doors where privacy is a priority.

Locked by turning a button inside and can be unlocked in emergencies from outside by turning the slotted button using a coin.

Passage Function-without lock

Commonly used in hallways, closets, and laundry rooms, as well as other doors where convenience is a priority.

There is no door lock on either side of the door, serving as a barrier.