PRECISION LASER ETCHED SCALES Features permanent laser-etched imperial measurements including 1-1/2", 1", 3/4", 3/8", 3/16", 3/32", 1/2", 1/4", 1/8", 3 ，16 parts per inch, ensuring accurate and reliable readings for architectural and engineering work.
DURABLE ALUMINUM ARCHITECT RULER Made from premium anodized aluminum alloy, this architectural scale ruler is solid, wear-resistant, and built for long-term professional use without fading or scratching.
TRIANGULAR SCALE RULER DESIGN Classic triple-sided triangular architect ruler provides multiple scales in one tool, ideal for drafting, technical drawing, blueprint reading, and model design.
PROFESSIONAL TOOL FOR MANY USERS Perfect for architects, engineers, draftsmen, students, and designers who need a precise engineering scale ruler for daily projects.
LIGHTWEIGHT & PORTABLE 12 inch aluminum scale ruler is lightweight, easy to carry, and fits perfectly in backpacks, tool bags, or pencil cases for school and office use.
