Olfa 28mm Quick Blade Change Rotary Cutter- is perfect for small-scale projects, miniatures and tight corners. Features a blade safety cover and the handle that is designed to reduce hand fatigue. The cutter is a rolling razor blade which is used to cut materials into shapes, strips and pieces for sewing, quilting and craft projects. 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.