30 Pieces 45 mm rotary cutter blade round quilting blades rotary replacement cutting blade sewing cutter blade for quilting, stitching, patchwork, crafts and sewing Features: The rotary cutter blade is made of durable steel material, won't easy to bend or break, you can use them at ease. Bring you relaxing work condition, and help you to cut material easily and quickly. You can also send the cutting blade to your friends, relatives or family members who have sewing works. Our round quilting blades can help you to cut paper, fabric, cloth, mat, leather, also fit for quilting, art and craft stitching and more. Specifications: Material: steel Size: Outer diameter: 45 mm/ 1.77 inches Inner diameter: 8 mm/ 0.31 inch Color: as picture shows Package includes: 30 x Rotary cutter blades Note: Pointed products, please keep them away from your children. The brands or models we mentioned are only for expressing products adaptability explanation, not for trade mark using, our trade mark is Mudder, kindly noted.