Knowing the thickness of the door is crucial when installing door hardware.
|Door Thickness||1 1/2-in to 1 3/4-in, 1 3/8-in to 1 1/2-in|
The locking mechanism is important to know if you are replacing a door handle. A mortise lockset requires special installation involving one hole in the door, while a tubular lockset requires two that are separated.
|Locking Mechanism||Tubular Locks|