Helix Circle Ruler

click image to zoom in
12" Circle Ruler
12" Circle Ruler
Current price:

This 2-in-1 ruler and compass lets you draw circles from 1" to 12". Place the center disk hole on your starting point and choose your desired circle size (in 1/8" increments). Insert the pen into the hole and then hold down the center disk. Sweep around with the pen in the hole u...

® Helix is a registered trademark.


Frequently Asked Questions