45mm Rotary Cutter Blades, 10 PACK - Sharp, SKS-7 Steel Rotary Refill Blades with plastic storage container for OLFA / Fiskars 45mm Rotary Blades in bulk package of 10 blades Stay-safe case protects you and your product - no accidental cuts! The 45mm rotary blades are compatible with Olfa, Clover, Fiskar, Dafa rotary cutters. Great for sewing, quilting, and many other craft projects. Made from high-quality Carbon steel SKS-7 so that you can use each blade again and again with minimum dulling. 100% SATISFACTION GUARANTEED - All in all, MaxBlade is the Perfect Product for anyone who wants cut fabric, paper, leather, vinyl, veneer, velum, tarp, upholstery, stretch materials, fleece, felt and more.