Description
The Alvin Rolling Parallel Ruler is a multipurpose drawing tool for artists, students, and designers. Graduated in both inch metric formats, it includes a variety of useful formulas and conversion factors. Made from high-impact plastic, a frictionless design allows you to draw horizontal and vertical parallel lines with ease. Ideal for drafting, it also allows for the easy drawing of arcs, curves, and circles. A built-in protractor is convenient for drawing angles.
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