QualityCut 10x 60mm Rotary Cutter Refill Blades Japanese SKS-7 Stainless Steel High Quality Professional Grade Rotary Cutter Blades Ten (10x) 60mm Blades Securely Packed in A Snap-close Case Multiple Sharpening Stages for Optimal Combination of Extreme Sharpness and Durability 100% Compatible with OLFA, FISKARS, TRUE CUT and Other Rotary Cutter Brands Satisfaction Guaranteed or Money Back. Also available in 28mm and 45mm.