Olfa Pinking Blade 45mm. Circular rotary replacement pinking blade designed to place "teeth" on the edge of fabric to reduce raveling and to add a unique edge to any project. 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 (RTY2DX). 1 blade per pack. Good For: general quilting, sewing and craft projects. Finish fabric edges in a snap. Reduces fraying. Can be used in industrial applications.