Most door handles come with a kit and provide a measurement template for you to follow.
Installing flush door handles.
Installing a door handle is a relatively easy diy project.
Place a strip of masking tape on the door with the bottom edge of the tape marking the 40 inches.
You can choose a finger pull which is a simple shape inset into the door so you can pull the door open with your finger.
They are mounted level with the surface of the door so that they clear the door frame when opening or closing the door.
There are two different styles of pulls.
Following these measurements using your drill to.
Flush door pulls are often placed on pocket doors.
2 measure in 1 1 2 inches along the bottom of the tape from the edge of the door that you intend to.