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Helix® 12 in. Circle Ruler
Product Number: 9727585
In Stock (Ships within 1-2 business days)
Combines the function of a ruler with the ability to draw circles like a compass. Use the holes in the clear center to draw circles up to 12 in. in diameter and in increments of 1/16. Simply place a pen or pencil in the hole corresponding to the size you want, stabilize the ruler with the center disc, and while holding the ruler in place rotate in a circle draw a full circle. Use small circle templates in the clear center area to draw circles from 1/16 in. to 9/16 in. Graduations are in inches and metric (mm and cm).