Circular rotary replacement blade for Olfa's 60mm rotary cutters. Used for quilting, sewing and general crafts. This blade is made of high-quality tungsten carbide tool steel for unparalleled sharpness and superior edge retention. Cuts up to 6 layers of fabric. Excellent for cutting heavier weight fabrics. For Original 60mm Rotary Cutter (RTY-3/G) and Deluxe 60mm Rotary Cutter (RTY-3/DX). 1 blade per pack.