3 Pack 12 Inch Architectural and Engineering Scale Ruler Set, Laser-Etched Aluminum Triangular Drafting Tool Imperial and Metric Conversion Standard Metal Ruler for Architect Civil Engineer Blueprints
【Pocket Size】: Triangular ruler made of high-strength aluminum, durable and easy to carry, can be put into a pocket for easy measurement.
【Clear Readings】: High-quality aluminum alloy rulers with laser-cut inch printing ensure accuracy and durability; they will never rub off or scratch off.
【Best Choice】: The bulk metal ruler is suitable for technicians, artists, architects, engineers, blueprinters, interior designers, modelers, drafters, graphic designers, teachers and students.