Etched and Solid Aluminum Architect Scale, SciEdu Triangular Ruler (Imperial)

What this professional scales have? 📐Etched Never Faded Tick Mark Laser engraving technology on aircraft aluminum. This technology reduces abrasion caused by long time uses and increases product lifetime.   📐Solid Triangular Body Constructed of Solid High-Grade Aluminum to reduce flex and warping. This allows the ruler to lay flat on the drawing surface for precise and accurate placement. The concave design feature helps reduce smearing for clean pencil lines. 📐11 Precision Imperial Scales Professional quality ruler, measures 12 inches in length, and features 3 concave sides with 11 different scales. 16 3/32 3/16 3/4 3/8 1 1/2 3 1 1/2 1/8 1/4   📐Quality and Precision Every design deserves the quality and precision that the SCIEDU  Triangular Architect Scale can provide.   Who are the clients of this product? 📐The Perfect Choice for Architects, Engineers, and Students Your work deserves the best in Precision and Quality. The SCIEDU Scale is the perfect tool for any Architect, Draftsman, Engineer or Student. What is this ideal for? 📐Ideal for Your Next Project You expect the best from SCIEDU and that's exactly what you'll get. Solid construction and precise performance. Let the SCIEDU 12" Triangular Architect Scale be your first choice for optimal accuracy on your next set of drawings.