OLFA 45mm Wave Rotary Blade OLFWAB45-1 Add a unique finish to your project with a wave edge. Circular rotary replacement decorative wave blade designed to produce a ''wave-like'' pattern on the edge of the material being cut. Very popular with crafts and memory book development. Also great for use with Polar Fleece! This blade is made of stainless steel for sharpness and durability. For Deluxe 45mm Rotary Cutter (RTY-2/DX) and Pinking Cutter (PIK-2).