Cutting perfect circles has never been easier than when using the OLFA CMP-3 Rotary Circle Cutter. Easy on the wrist, this rotary cutter has a patented ratchet-dial handle to reduce stress on your muscles. This OLFA rotary cutter is also easy to use. Simply adjust the blade to the desired size, between 1-1/2-inch to 8-3/4-inch, insert the pivot point and rotate the blade clockwise with firm pressure. This is one of the best rotary cutters for artists. When used as a quilting tool or for fabric cutting, the ease of use of the device prevents uncomfortable wrist strain. For safety, the device comes with a built-in blade cover and plastic pivot-point guard to use while not in use. A great value, the device comes preloaded with an OLFA 18mm Stainless Steel Rotary Blade to start cutting perfect circles right away.