Door Lock Installation : Measurement Guide
Before purchasing any door lock, customer need to provide 3 pictures to our sales person to check for the qualification.
Step 1 : Shoot your front door picture as example below.
Step 2 : Please verify the door thickness, in centimeter(CM).
Step 3 : [Optional] If your door have grille, please make sure the distance between grille and door is at least 9CM.
Reminder : Please contact us if your door type is as below :