Fiskars 158290-1001 Titanium Rotaty Cutter Replacement Blades, 45mm, 2 Pack Ideal for cutting multiple layers of fabric, paper, felt and vinyl High-grade, precision-ground, premium steel 45 mm rotary blades offer clean cuts Titanium blade coating that is three times harder than steel helps the blades stay sharper longer and resist wear, scratches and corrosion