The OLFA 45mm RTY-2/NS Quick-Change Rotary Cutter perfectly combines powerful cutting with top safety features. The innovative split-blade cover on this OLFA rotary cutter allows only one edge of the cutter to be exposed at a time. Simply slide back the side you want to use, lock it in place and cut. Slide the cover again if you need to change hands with no reassembly or part change needed, a real quick change. For the best rotary cutter, look for the best blade. This tool is pre-loaded with a 45mm tungsten steel rotary blade, perfect for fabric cutting or as a quilting tool. Ergonomically designed, the curved handle with integrated grooves will feel great in your hand and let you work for longer, safely.