Slash-n-Circle Ruler
 
Great for cutting circles from 5cm - 23cm
Perfect for making Yo-Yo's and other quilting, sewing, and craft projects
Semi circle slot to cut out perfect circles
Curved slot for making curved slash quilt. 
Slots thick enough to make it easy to use with a rotary cutter
 
Includes instructions to help guide you through the process of cutting out your circle shapes.