Circular rotary replacement blade for the 60mm rotary cutters used for quilting, sewing, and general crafts. Cuts up to 6 layers of fabric. This blade is made of high-quality tungsten carbide tool steel for unparalleled sharpness and superior edge retention. For Original 60mm Rotary Cutter (RTY3), Deluxe 60mm Rotary Cutter (RTY3DX), and Quick-Change 60mm Rotary Cutter (RTY3NS). 1 blade per pack. Good For: general quilting, sewing, and craft projects. The larger size blade works excellently on heavier weight fabrics or to cut multiple layers with ease.

5 bulk blades per package.
From Olfa.