Features: Imported SK-7 steel blade, made by 7 special processing. Since the blade is made of stainless steel, it can keep its edges sharp. The rotating blade has unparalleled clarity and excellent edge smoothness. It is an great choice for sewing general craft items. Ideal cutting tool for cutting paper, fabric, leather, plastic, cloth, etc. It is suitable for cutting in homes, offices, schools, shops, and can also be used in industrial applications. This 45mm rotating blade can cut six layers of fabric at a time. Repeated cutting will be unaffected and leave no traces. Note: Please use the sharp blades carefully and keep them out of the reach of children. If you do not use them for a long time, please drop some oil in the cutter head to extend the service life. Specifications: Name: Rotary Cutter Blades Material: SK-7 Steel Color: Silver Size: Blade Diameter : 45mm Hole Diameter: 8mm Thickness: 0.3 mm Package Includes: 5pcs Rotary Cutter Blades Notes: 1. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2. Please allow slight dimension difference due to different manual measurement. If you have any questions,please don't hesitate to contact us directly. We will always strive to resolve your issue and delight our customers.ECYC is a trademark protected by the US Trademark Law.