A circular rotary replacement blade for Olfa's 60 mm rotary cutters are a larger size used for quilting, sewing and general crafts. This larger blade is made of high quality tungsten carbide steel for unparalleled sharpness and superior edge retention. Great for cutting denim, canvas and other heavier materials. Olfa 60 mm rotary blade single pack, for the RTY-3/G, RTY-3/DX, and RTY-3/NS rotary cutters.