Fiskars - Rotary Blade Razor Edge Ideal for cutting thicker materials including batting, foams and multiple layers of fabrics- High-grade, precision-ground. Stainless-steel 60 mm rotary blade stays sharper longer than other rotary blades. Make straight cuts in fabric. Ideal for cutting thicker materials including batting, foams and multiple layers of fabrics. Also works with most brands of 60mm rotary cutters. Stainless steel razor edge provides a smooth clean cut on all types of fabrics. Fiskars recommends use on fabric only to maintain the sharp blade edge. Use a cutting mat to protect the work surface; not included. Take a look at our entire range Fiskars Collection!