Replacement 45mm Pinking rotary cutter blades,Its a decorative edge blade ,make smooth pinked edge,Much easier to use than pinking shears. 45mm wave rotary blade is made of high quality stainless steel,heat treated, hardened, premium steel blade for long-lasting, razor sharp cutting Package include 10pcs pinking blades,Come with a storage case For cutting paper, fabric,cotton, thin plastic and metals, pictures, leather, light screen and more Compatible with any Brand 45mm rotary cutters,Great for Arts & Crafts and Scrapbook paper designs,also a sewing quilting patchwork tool