Alvin Rolling Parallel Ruler – 12″ (312)

Description MULTIPURPOSE – A clear metric parallel multi-purpose drawing tool for students, artists, and designers. INCREMENTS IN INCHES AND CENTIMETER – Graduated in both imperial and metric. Includes useful formulas and conversion factors. EFFICIENT TO USE – Draw horizontal and vertical parallel lines with ease. Draw circles, curves, or arcs. IDEAL FOR DRAFTING – Suitable for drawing parallel lines, circles, angles, and other geometrical shapes.