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 (RT-2DX). 1 blade per pack. Good For: general quilting, sewing and craft projects. Can be used in industrial applications.