<p>This professional-grade architectural scale ruler features both architect and engineer scales in a durable, anodized aluminum body. The triangular design provides easy access to all scales, making precision drafting, blueprint reading, and technical drawings faster and more accurate.</p><ul> <li>Dual-scale functionality: Includes both architect and engineer scales for versatile use</li> <li>Precision-etched markings: Crisp, durable graduations that won't fade or wear off</li> <li>Lightweight aluminum construction: Sturdy yet easy to handle for extended work sessions</li> <li>Triangular profile: Quick scale selection by simply rotating the ruler</li> <li>12-inch length: Ideal size for blueprints, technical drawings, and classroom use</li> <li>Color-coded ends: Easy identification of scale orientation</li> <li>Compact and portable: Fits conveniently in a pencil case or drafting kit</li> </ul><p>Perfect for architects, engineers, students, and hobbyists working on construction plans, technical illustrations, or design projects.</p>