ALVIN Rolling Parallel Ruler, 12 Inch, Model 312, Multipurpose Imperial and Metric Rolling Ruler for Students, Artists, and Designers, Ideal for Drawing Parallel Lines, Curves and Arcs - 12 inches

Features

• Multipurpose - A clear metric parallel multi-purpose drawing tool made from high impact plastic for students, artists, and designers.
• Smooth Operation - Affords frictionless operation through the floating action of the nylon rollers mounted on the blade.
• Efficient to Use - Draw horizontal and vertical parallel lines with ease. Also allows for easy drawing of circles, curves, or arcs.
• Durable Construction - This parallel straightedge features a rigid phenolic construction with a black satin finish for a sleek yet durable ruling.
• 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.