There are two common backset lengths - standard and long. To determine which one you have, measure the distance from the keyhole to the door edge. The difference is marginal, so take care in your measurement.
Standard (most common)2 ⅜ inch backset | 60 mm Long2 ¾ inch backset | 70 mm
30-day Return Policy
If you are unsatisfied with your purchase of a new Level device (“Product”) that you purchased on level.co, you have 30 days from the date of purchase to notify Level and request a refund of the purchase price.