Features: 90-degree and 45-degree stops for versatile angles, more angles available, help you to measure things accurately. Just slide to mark the 45 degree Angles/ 90 degree Angles and draw the balance line. Compared to other rulers, this hole ruler has added a anti-drop device! So you don't have to worry about rulers falling offs when working. Multiple hanging holes are designed for different storage situations. Great values with really useful additional features such as scriber and ejection stop. Suitable for woodworking enthusiasts, home renovators, and individuals in need of precise right Angles measurements. Specifications: Material:Aluminum Alloy, Stainless Steel Color:Redness,Black Package Includes: 1x Woodworking Square Ruler note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.