Features: ----This woodworking square protractor is made of high-quality aluminum metal. It is rustproof, has high hardness, and good toughness, is lightweight, and easy to carry. ----The angle ruler has the functions of measurement, correction, marking, etc. One ruler is multipurpose, which can effectively improve woodworking efficiency and save time. ----The multi-angle measuring tool for carpenters, engineers, DIY enthusiasts, decorators, construction workers, etc. Suitable for three-dimensional objects, such as wood, metal pipes, marble, etc. Specifications: Material: High-quality aluminum metal. Size: 1127985 mm (4. 413. 113. 35 inches). Package Includes:1 x Woodworking Square Protractor..Items from Sheng Xinshun's shop