Features Durable Aluminum Alloy Construction: Made of oxidized aluminum alloy, this triangular ruler is resistant to deformation and corrosion, ensuring long-lasting durability for your woodworking projects. Precise Inch and Metric Scale: Laser engraved with clear and precise inch and metric scales, enabling easy reading and accurate markings for precise woodworking measurements. Large Center Hole Design: The large center hole allows for easy finger placement to secure the ruler on the workpiece, ensuring stability and accuracy during measurements. Glossy Exterior for Easy Handling: The glossy exterior of the ruler makes it easy to place and move without damaging fragile cutting edges, enhancing convenience and user experience. 15mm Thick Design for Height and Angle Measurement: With a 15mm thickness, this ruler is suitable for measuring both height and angle, making it a practical and versatile tool for woodworking projects. Specification: Item Type: Triangular Ruler Product Color: Silver Product Material: Aluminum alloy aerofoil Treatment: Oxidation Product Thickness: Approx. 15mm / 0.6in Package List: Item Type: Triangular Ruler Product Color: Silver Product Material: Aluminum alloy aerofoil Treatment: Oxidation Product Thickness: Approx. 15mm / 0.6in Package List 1 x Triangular Ruler