Olfa 60mm Quick Change Rotary Cutter- When you’re in the middle of a project, you don’t want to waste time changing blades. This OLFA® rotary cutter makes it easy, with a slide lock that quickly releases the old blade and locks the new one in place. The cutter can accommodate up to eight layers of thin materials. The blade is made of high quality tungsten carbide tool steel for unparalleled sharpness and superior edge retention. Designed for both right- and left-handed use.