45mm Round Rotary Cutter Blades ( 6 Pack ) - Fits Olfa, Fiskars, Dritz, Clover, and most 45mm Rotary Cutters ( 6 Pack ) High quality Round 45mm Razor Edge Rotary Cutter Replacement Blades Cuts through multiple layers of material cleanly. Perfect for fabric, paper, vinyl, plastic Fits Olfa, Fiskars, Dritz and most Rotary Cutters that take 45mm blades Affordable multi packs of replacement blades ideal for seamstresses, dressmakers, crafter, and hobbyists RTFI Brand by Ruth's Tree Farm