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Alvin 12" Rolling Parallel Ruler

SKU:: Alvin12ruler
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Alvin® 12” Rolling Parallel Ruler

A multi-purpose drawing tool made from high impact plastic for students, artists, and designers. Graduated in both English and metric. Includes many useful formulas and conversion factors. Draw horizontal and vertical parallel lines with ease. Draw circles, curves, or arcs. Use the built-in protractor to draw angles. Blister-carded, instructions on back.