12-Inch Architectural and Engineering Scale Ruler Set (Imperial) Laser-Etched Aluminum Triangular Drafting Tool for Architect and Civil Engineer Blueprints Standard Metal Ruler Included

✎ 3 RULER COMBO SET - Architect ruler engineering scale professional or educational drafting tools metal ruler 12 inch, ✎ LASER ETCHED - Architect scale drafting ruler tat will last permanent grooves that will never fade, ✎ SOLID CORE ALUMINUM - Architect scale ruler engineer scale durable, anodized corrosion resistance, ✎HIGH VISIBILITY - scale drafting kit ruler contractor quick easy to read architecture scale graduations precise, ✎Professional grade - engineers scale scale ruler for blueprints supreme accuracy Color-coded groove