Welcome to our store! 1. The ruler is made of aluminum alloy, treated with oxidation for anti-deformation and corrosion resistance. 2. Laser-engraved inch and metric systems provide a clear and precise scale, making it easy to read values or make markings. 3. The large center hole design is perfect for your fingers to hold the ruler steady on the workpiece. 4. With a glossy exterior, it's easy to place and move, and won't easily damage delicate cutting edges. 5. The 15mm thick design is suitable for height and angle measurements, making it a practical woodworking tool. Item Type: Triangular Ruler Product Color: Silver Product Material: Aluminum Alloy Surface Treatment: Oxidation Product Thickness: Approx. 15 mm / 0.6 inches 1 x Triangular Ruler Customers are our top priority. If you encounter any product issues after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.