Precision and Accuracy: 12" Triangular Architect's ruler features 3 sides with 6 different scales, You will calculate dimension and perspective for plans and other blueprints without struggling with the guesswork.
Mterial: Made from high grade anodized aluminum, reliable and skillfully crafted for your most project needs, it’s a workhorse on the drafting table.
Laser Etched: Architect ruler for laser etched, They will not wipe or scratch off ever.
Widely Application: Good for technical artist, architect, engineer, plan drawer, hobbyist, modeller, draughtsman, graphic designer, student.