Specification: same plane positioning ruler Wooden cabinet handle hole locator ---Quick release drill guide block makes adjustment easier. The front clamp handle makes tightening easier.Newly improved and affordable --- Once set up and reused, no further action is required. This fixing jig allows you to measure the perfect hole positions for cabinet handles, pulls and knobs. Quick and easy adjustment --- Versatile jig for precise installation of handles/knobs on drawers and doors. The L-shaped brackets and top screws hold it horizontally, and two large front thumbscrews are locked in a vertical position. It is used for drilling and precise positioning of handles on the front of doors, flaps and drawers. It is detachable and portable, and can be divided into small parts for easy carrying.