100% Money Back Guarantee: If you feel the rotary blade Not Sharp enough or Not Cleanly cut, or you feel that our blades don’t exceed your expectations, please return for a full refund. Ultra Durable: Tungsten alloy adds strength and wear-resistance, while lubricants and specialty storage case keep them in optimum condition until you’re ready to use them. High Quility and Sharp: Made from Japanese Steel (SKS-7) that stay sharper longer, the blades go through 4 individual sharpening stages that stay sharper. Cleanly slices through 10 layers of fabric at once. Perfect rotary blades 45mm for quilting, sewing, arts&crafts: Ideal for cutting multiple layers of fabric, fleece, felt, leather, cardboard, wallpaper, vinyl and other DIY Projects. KISSWILL rotary cutter blades 45mm compatible with all Fiskars 45mm rotary cutters. If they don’t fit yours, return them for a full refund without any reason.

Blade Material: Steel. Item Dimensions LxWxH: 17.72 x 17.72 x 0.12 inches. Brand: KISSWILL. Batteries required: No. Best Sellers Rank: #1,626 in Arts, Crafts & Sewing. Customer Reviews: 4.7 out of 5 stars 2,993 ratings 4.7 out of 5 stars. Item model number: RB-45MM-F. : B07QHST3ZW. Manufacturer: KISSWILL. Item Weight: 1.76 ounces. Product Dimensions: 17.72 x 17.72 x 0.12 inches.