Excel Yardstick Compass

Draw large circles accurately and easily with any standard yardstick! Attach the post with the anchor point to the end of the yardstick. Attach the post with the drawing point to the yardstick at the desired radius. Place the anchor point where you want your circle to be centered, and rotate the yardstick to complete your circle. Can also be used with standard rulers. Includes a 2mm drawing lead. Posts measure 3/8″ and have a slot for each attachment. (Yardstick not included.)