Features: 1. Smooth design; each edge and corner of the ruler body and base are polished through a special process, ensuring a smooth finish that is safe to handle. 2. Made of high-quality aluminum alloy with a thickened design, offering high hardness, durability, and resistance to corrosion and oxidation. 3. Clear scale markings with dual metric and inch measurements; markings are legible, precise, and resistant to wear. 4. Suitable for measuring height; easy to use and handle without damaging the ruler edges. 5. An essential tool for home builders, DIY enthusiasts, carpenters, artists, and hobbyists; ideal for machine setup and woodworking applications. Specifications: Item Type: Triangular Ruler Material: Aluminum Alloy Color: As shown in picture Product Overall Size: Approx. 68 x 14.5 x 95 mm / 2.68 x 0.57 x 3.74 in Large Hole Diameter: Approx. 22 mm / 0.87 in Small Hole Diameter: Approx. 10 mm / 0.39 in Weight: Approx. 118 g / 4.2 oz Application: Metric and imperial measurement for woodworking, DIY projects, and hand tool use Package List: 1 x Triangular Ruler