This durable, stainless steel blade has a razor-sharp edge. Wave edging is very popular among people making crafts such as memory books and scrapbooks. For use with the OLFA 45mm deluxe rotary cutter (RTY-2/DX), pinking cutter (PIK-2) and wave cutter (WAC-2). Good For: cutting strips and multiple layers at once. Cuts fabric, paper, tarp, vinyl, upholstery and more.