Package Content: 1 x Engineering Scale Ruler (Imperial Measurements) with PVC Packing Box.
Imperial Scale: 3 Sided Imperial Scales: 1-1/2", 1, 3/4", 3/8", 3/16", 3/32", 1/2", 1/4", 1/8", 3, 16. A variety of proportion to meet your needs.
Premium Material: The engineer ruler is made of high quality aluminum alloy, well-machined with smooth surface, no burrs, solid and durable.
Laser-Etched: The architect scale ruler is designed with sturdy laser-etched markings, it doesn't rub off or fade easily, ensure accuracy, quality and longevity, easy to read.
Professional Precise Scale Ruler: The triangular ruler with precise scale is ideal for architects, engineers, students to draft and measure architectural drawings, such as floor plans, blueprints and orthographic drawings.