« See more Westcott C-Thru Rolling Ruler

It’s easy to draw horizontal or vertical parallel lines with the Westcott Rolling Ruler. Great for drawing lines, angles, and cross-hatching, this multi-purpose 12" plastic ruler rolls easily across surfaces. It also rolls in an arc to draw circles up to a 24" diameter.

Rolling Ruler
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® Westcott is a registered trademark. ® C-Thru is a registered trademark.