OLFA® Rotary Blades, 28mm, pack of 2. Circular rotary replacement blade for our 28mm rotary cutters used for quilting, sewing, and general crafts. Ideal for small-scale projects and tight corners. This blade is made of high quality tungsten tool steel for unparalleled sharpness and superior edge retention. For use with the Olfa Quick Change Rotary Cutter, 28mm as well as the original 28mm Rotary Cutter (RTY1), Deluxe 28mm Rotary Cutter (RTY-1/DX). Two blades per pack. Good for general quilting, sewing and craft projects; the smaller size makes it ideal for curves and cutting out patterns. Cuts cloth, leather, paper, vinyl, film, photographs and more.