Features: Crafted from high quality aluminum alloy, this ruler is built to last and resistant to deformation. Meet various measurement needs. With its durable aluminum alloy material and precise markings, this ruler ensures accurate measurements for woodworking enthusiasts, architects, construction workers, and students. Suitable for a wide ranges of applications, including woodworking projects, educational settings, and home improvement tasks that require accurate measurements. This versatile ruler is an essential tool for anyone who values accuracy in their measurements. Whether you're working on a woodworking project or need accurate measurements for school or home, this ruler is enough for you. Made from high quality aluminum alloy, this ruler combines durability with precisions. Its multiple scales make it suitable for various measurement needs, making it an indispensable tool for professionals and DIY enthusiasts alike. Specifications: Material: Aluminum Alloy Size: A: Approx. 312x56mm/12.28x2.20in B: Approx. 590x305mm/23.23x12.01in C: Approx. 590x200x56mm/23.23x7.87x2.20in Type: A/B/C Package Includes: 1x Positioning Scribing Square Ruler note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.