Fits 60mm rotary cutters: These SOMOLUX rotary blades are designed to fit All 60mm rotary cutters. Hight-Quality&Sharp: Made from premium Japanese Steel (SKS-7) that last longer, the blades go through 4 individual sharpening stages that stay sharper. Cleanly slices through 10 layers of fabric at once. Perfect Blades for quilting, sewing, art, and crafts: Rotary cutter blades can be used to cut fabric, fleece, felt, vinyl, leather, cardboard, wallpaper, and more. Durable- Tungsten alloy adds strength and wear-resistance, while lubricants keep them in mint condition until you’re ready to use them Money back guarantee - No questions asked. If you feel that our blades don’t exceed your expectations, please return it. UPC 796391054004 ASIN B08DR7QCTC Brand Name SOMOLUX Manufacturer Somolux Model Number RR-BLADE Handle Material Plastic Blade Material Type High Carbon Steel Manufacturer Part Number RR-BLADE