Features: This high precisions aluminum alloy right angles ruler ensures accurate measurements by solving deformation issues in traditional wooden or plastic rulers, making it precisions measuring tool for demanding tasks. Featuring a multi function design with integrated marking capabilities, lightweight aluminum alloy construction, clear markings, and safety rounded corners for enhanced usability and longevity. Ideal for DIYer enthusiasts, professional craftsmen, woodworkers, and construction workers who require dependable tools for precise and efficient projects. Perfect for use in woodworking, building construction, home DIYer tasks, school workshops, and educational settings where accurate measurements and safety are essential. Combining robust aluminum alloy durability with user friendly features, this multi function drafting ruler ensures accurate results and secure handling in diverse applications. Specifications: Component: Aluminum Alloy Size: 7 different size available Package Includes: 1Piece angles Ruler note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.