12'' Architectural Scale Ruler Professional imperial architectural scale ruler, widely used in life. Architectural scale ruler for blueprints is ideal for architects, engineers, blueprinting, interior design, modelers, draftsmen, educational supplies and professional technicians. Featuring precision scales, stable performance, sturdiness and resistance to wear and tear, the 12" aluminum architect scale is molded in a classic three-pronged three-dimensional structure, making it ideal for architects, engineers, draftsmen and students. Specification: Scale:1-1/2", 1, 3/4", 3/8", 3/16", 3/32", 1/2", 1/4", 1/8", 3, 16 Package Included: 1 Pack Color: Blue Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Precision and Accuracy: 12-inch imperial architectural scale ruler includes: 1-1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8, 3, 16. 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, laser etched technology effectively prevents scale numbers and markings from wearing off or fading away, they will not wipe or scratch off ever. Widely Application: Good for technical artist, architect, engineer, plan drawer, hobbyist, modeller, draughtsman, graphic designer, student. Portability: Compact and lightweight, ideal for on-the-go use.