When you install drawer pulls and cabinet door knobs to your kitchen (or other) cabinetry you want to be sure the hardware is centered and level. It also helps if the process is repeatable for every door and drawer you have. In my case it was about 20 of each, and believe me , you want to do it as quickly and accurately as possible.
The secret......."Jigs"! The following pictures show you how to make the jigs with scrap lumber and pegboard you may have laying around.