28MM Rotary Cutter Refill Blades Sewing Quilting fits Olfa Fiskars Cutters,pack of 10 pcs Size:OD28*ID6*T0.3mm Material:high carbon steel SKS-7,double grinded cutting edge. Package: 10pcs one plastic case. Work With Olfa, Fiskars, Donwie , DRITZ, ARCH AND MORE. Ideal uses: for fabric, quilting, textile, leather, easily cuts through Multiple layers at once