NT Dia. 28mm rotary blades for rotary blade cutter (RO-2P, SK-2P, WA-2P) and large fabric circle cutter (CL-10000P). Special rotary blades cut freestyle. Perfect for cutting fabric, film, leather, thin rubber sheet without twisting the material. These carbon tool steel rolling blades have chromium and tungsten added for extra wear-resistance and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. Two blades per pack. Good for quilting, sewing and art & craft projects. Made in Japan.