[Precise Angle Marking] This foldable depth measuring ruler provides accurate marking at 15° 30° 45° 60° and 90° angles ensuring perfect alignment for woodworking handicrafts and professional workshops. the angle can be effortlessly adjusted with a smooth rotating knob guaranteeing precise positioning every time. its versatile design makes it indispensable for detailed projects requiring exact measurements. [Sturdy & Stable Design] The innovative rotating knob on this protractor tool allows quick angle adjustments and locks firmly in place to prevent slipping during use. no more unstable measurements. enjoy reliable and repeatable results for all your marking needs. the non slip limit ensures the ruler stays steady during operation achieving error free measurements on wood gypsum board and more. [Versatile & User Friendly] Designed for creating accurate reference points on various materials this multi angle foldable depth measuring ruler is perfect for both professionals and hobbyists. its intuitive design ensures ease of use while the durable construction guarantees long lasting the demands of any woodworking or crafting project. [Portable & Durable] Measuring just 6.57 inches this compact ruler is crafted from sturdy abs plastic and features a foldable design for easy storage in toolboxes or pockets. its lightweight yet robust construction makes it an ideal choice for contractors carpenters and enthusiasts who need a reliable tool on the go. [Clear Level Indicator] Equipped with highly transparent horizontal bubbles and precise calibration this adjustable position marking protractor tool offers levelness checks. the crystal clear design ensures easy readings whether you are installing shelves adjusting workpieces or working on any project that requires perfect leveling., Manufacturer: ANGGREK