Multi-Angle Measuring Ruler with Positioning Hole, 12-Sided Foldable Ruler, for Carpentry and Engineering Projects

Premium Material: Made of 3.6mm thick aluminum alloy, anti-fall, durable, not easy to wear and tear. Accurate measurement: Metric and imperial units, accurate to 1mm. 12 sides: 12 rulers and 12 metal buttons that bend freely. Simply adjust the metal buttons to accurately create the shape you want. 5 sizes of opening locator: 20mm, 25mm, 40mm, 45mm and 80mm. Super flexible and versatile. Wide application: Suitable for carpentry, brick, ceramic tile, wood, glass, stone, laminate, construction and engineering projects.