<ul> <li>Solid construction. Unlike rulers with printed graduations, this engineer's ruler is made of solid anodized aluminum with 100% laser-etched graduations for precise accuracy.</li> <li>Quality and chamfered edges. This updated triangular ruler features chamfered edges for safety and smooth handling. Designed for precision and durability, it is lightweight and easy to use for a variety of projects. Made from high-quality anodized aluminum for long-lasting performance.</li> <li>All-in-one design. This metric ruler includes six of the most commonly used scales: 1:20, 1:25, 1:50, 1:75, 1:100, and 1:125. Scales are graduated in both directions for easy reading from left to right or right to left, improving efficiency and convenience.</li> <li>Versatile and portable. Measuring 30 cm in length and weighing 100 g, this ruler is lightweight and easy to carry and store. A practical measuring tool ideal for architects, draftsmen, engineers, and students.</li> </ul> <b>Ruler Features:</b> Precisely etched graduations. Chamfered edges. Rust-resistant finish. Three concave sides with six different scales. Lightweight and portable. Made from high-quality solid aluminum. The ideal tool for professionals and students in architecture, engineering, and design. <b>Specifications:</b> Material: High-quality anodized aluminum Length: Approximately 12 inches (30 cm) Scales: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 Finish: Sleek, durable black anodized coating Note: Measurements are manually taken; please allow a slight variation of 1–3 cm. Color may vary slightly due to lighting and screen display differences. Actual product may differ slightly from image.