One key measurement is the backset: the distance from the edge of the door to the center of the handle.

MacFarlane says it is not necessary to have your door hardware picked out before you order a new door, as long as the door is ordered with a standard cylindrical lock bore for a 2⅜ -inch or 2¾ -inch backset.

Lenovo Lenovo That doesn’t mean the pen is taking a backset.

He did a good job protecting the backset and blocking shots.

One on deadbolt installation, for example, explains the process from multiple angles, and includes an animated explanation of a door’s “backset,” which is the distance from the edge of the door to the center of the hole that holds the deadbolt.