Ruler Circle Cutter- Swivel / Pin Post / Leadexcelblades.com
Combination of three compasses Swivel Knife/Pin Post/Lead Point used in addition to any standard ruler or yardstick to create accurate circle cuts and points.
Compass equipped with screw top to tighten or loosen onto yardstick.
Easily capable of sliding from both ends of yardstick or ruler.
*Ruler Not Included*