- 3 RULER COMBO SET: Enhance your drafting experience with our 12-inch Architect Ruler Engineering Scale, suitable for both professional and educational use. - LASER-ETCHED FOR DURABILITY: Enjoy precise measurements for years to come with permanent, laser-etched grooves that won’t fade or wear down over time. - SOLID CORE ALUMINUM CONSTRUCTION: Crafted from high-quality, anodized aluminum, this ruler set offers exceptional durability and corrosion resistance, ensuring it withstands the rigors of daily use. - HIGH VISIBILITY GRADUATIONS: The easy-to-read architecture scale graduations provide clarity and accuracy, allowing contractors and designers to work efficiently without straining their eyes. Use Cases: - Perfect for architects and engineers needing precise scaling for blueprints and technical drawings. - Ideal for students and educators requiring reliable drafting tools for classroom projects and practical exercises. - A valuable addition to contractors' toolkits when measuring dimensions on-site for construction plans. This versatile 3 Ruler Combo Set is designed for those who demand accuracy and durability in their drafting and engineering tasks.