10 * 45mm Rotary Cutters Replacement Blades 45mm rotary blades are fit all 45mm rotary cutters such as Fiskars rotary cutter, Olfa rotary cutter and more brands cutters. Rotary Cutters Replacement Blades Made of high-quality steel, Each pack of rotary cutting blades contains 10 oil coated blades in a plastic box. Each blade is razor sharp and ready to use out of the box. Just install it in your rotary cutter and you’re good to go. Suitable for cutting denim, fleece, vinyl, leather, cloth, cotton, paper, card, Scrap-booking, and all types of arts and craft type goods, accurate and smoothly, effortlessly without loose edges and threads. No strings are left behind, as it cuts clean and fast. pecification Thickness: 0.3mm Diameter: 45mm Use Tips 1. Sharp knife, use caution, not to be out of reach of small children; 2. If the long-term not in use , please drop some of the oil in the cutter head , extended service life. 3. Round knife blade for consumables, due to personal use habits and different 4.A cutting mat is recommended to preserve the life of the blade. Furthermore, a metal ruler would be advisable for straight lines.