Specification: same plane positioning ruler Woodworking cabinet handle hole locator---Quick release drill guide block makes setting easy. The front clamping handle makes clamping easy. Newly improved and affordable --- Once set up and reused, no further measurements are required. This template fixture allows you to measure the perfect hole positions for cabinet handles, handles and knobs. Quick and easy adjustment---Multi-purpose template for precise installation of handles\/knobs on drawers and doors. L-shaped brackets and top screws keep it horizontally dialed in, and two large front thumbscrews are locked in a vertical position . It is used for precise drilling and positioning of handles on the front of doors, flips and drawers. It is detachable and portable, and can be split into small parts for easy carrying.