Stainless Steel Corridor Door Locks Hidden Door Lock

* Fits all standard doors: 1-3/8" to 1-3/4" ; Backset latch is non-adjustable 2-3/8" or 2-3/4";

* The Lock Cylinder is made of brass, ensuring quality and longevity;

* Entry for bathroom, bedroom, office, front door, for use in exterior and interior doors where keyed entry and security is needed;

* Comes with a Button that is opened by an exterior key for office or front doors;

* Knob reverses to fit right or left handed doors;

1. Develop the products and package and design, answer buyer inquires, make nice quotations;

2. Follow up and updates during production.

3. Double inspection before shipment, 3rd party inspection report available.

4. After-sale quality guarantee, LIFETIME guarantee for the material and labor.