The innovative Dremel Circle Cutter Attachment 678-01 is the simple way to cut circular holes in many types of materials. It attaches easily to the Dremel High-Speed Rotary Tool. This convenient and functional tool can make circles from 3/4" to 12" in size. This tool features a depth adjustment that allows easy setting of the correct cutting depth as well as a straight edge guide that allows routing or cutting in a straight line. The Dremel cutter makes an excellent addition to any tool kit.