Metal Scale Ruler, 2PCS Aluminium Triangular Ruler Metric for Architects & Engineers : 1:20, 1:25, 1:50, 1:75, 1:100, 1:125/1:100, 1:200, 1:250, 1:300, 1:400, 1:500

12 METRIC SCALES: Length:30cm for both rulers. Six rulers in each one: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 / 1:100, 1:200, 1:250, 1:300, 1:400, 1:500. No need to waste time figuring out how to measure each increment SOLID ALUMINUM MATERIAL: Made of high grade aluminum, durable and anodized for corrosion resistance, not easily deformed. Thanks to the chamfered edges, no accidental pokes, scratches and cuts PRECISION: Sharp graduations and precise markings for supreme accuracy makes the ruler professional. A perfect measuring tool for any architect, draftsman, engineer, teacher or student LASER ETCHED: The markings on scale ruler are laser etched for perfect definition. Very quick and easy to read without making any errors. These markings and permanent grooves will never fade or smear 100% MONEY BACK: Make your purchase with confidence. For any reason you are unhappy with the product, we take full responsibility for the quality of our products and will do our very best to solve your problem quickly and efficiently!