Multifunctional Center Finder Gauge - This centering square gauge is used to mark centers on round discs and shafts. Center point for woodworking, center point square, 45 degree to 90 degree right angle line gauge. It can mark soft metal, wood, and is perfect for finding accurate centers. Quick Measurement - With this Center Scribe Square Line Gauge, you can mark the center of round rods or scribe a 45/90 line in a flash. The centering square is stable, accurate, and does what it's supposed to do. The center point matches exactly. High Quality - This centering angle ruler protractor is made of high quality aluminum alloy with long service life, has an engraving line for easy measurement and all measuring surfaces of the center mark are ground. Accurate Centering - Simple and quick operation. It can mark soft metal, wood and is perfect for finding accurate centerings. This industrial precision center angle gauge can be used to measure shelves and external corners to facilitate leveling during installation. Time Saving - Practical measuring tool centering gauge for woodworkers, provides convenience and time saving. This is an easy-to-handle center marking gauge and provides good working efficiency, which helps to increase efficiency and save time.