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Our processing time for orders may take up to 24-48 hours. Once processed, the estimated delivery time can take anywhere from 1-5 business days depending on the shipping destination.
Free shipping on orders over $49. A small number of orders cost much more to ship than the order amount (usually heavier or larger items going to rural or remote addresses). These orders are charged the actual shipping cost, shown at checkout before you pay. More >>
Model#: OA-BP9331-30
In Stock: Order now to ship out in 1-2 business days
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30 Days Warranty

Scale: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125.
Three colors to distinguish different proportions.
Triangular ruler made from shatterproof high impact heavy plastic.
Designed for architect, engineer, and mechanical draftsman projects.
Sharp, easy-to-read graduations resist wear, with metric measurements.

There are 3 sides of the ruler, one color to highlight 2 scales. Yellow means 1:125 and 1:50, green means 1:75 and 1:25, red means 1:100 and 1:20. Easily to recognize the proportions.

The triangle ruler is made of shatterproof high impact heavy plastic, sharp easy to read scale. With metric measurements, it is accessible to read the number.

Designed for architect, engineer, and mechanical draftsman projects. Great for students, hobbyists, and professionals alike.
