QualityCut 10x 45mm Rotary Cutter Refill Blades New Genuine QualityCut Japanese SKS-7 Stainless Steel Rotary Cutter Blades Ten (10x) 45mm 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 Marking Scale for Rough Measurements without Ruler. Also available in 28mm and 60mm.