EK Tools will make your crafting easier. They seem to have just the right thing for the task at hand, with exceptional quality. Circle Scissor Pro 1″- 6″ Circle Cutter- Includes rotating circle disc, and 3 replacement blades. 81 possible sizes, starting at 1″ and goes up in 1/16″ increments to 6″. When blades are not in use they can be held inside the shuttle’s handle. May also be used with pencils or pens for drawing circles for your projects. Instructions on the back of the package.