Feature: 1. The knife edge is sharp and the blade has no burrs, providing a clean and smooth cutting surface. 2. A well-designed cutting angle enhances blade performance and contributes to extended blade life. 3. The 45mm rotating blade can cut through multiple layers of fabric at once, improving efficiency. 4. Made from high-quality materials for durability and long-term use. 5. Suitable for cutting paper, wallpaper, vinyl film, fabrics, textiles, and leather. Specification: Item Type: Roller Wheel Round Knife Blade Material: SKS-7 Blade Diameter: Approx. 45mm / 1.8in Mounting Hole Diameter: Approx. 8mm / 0.3in Blade Thickness: Approx. 0.3mm / 0.01in Uses: Cutting paper, wallpaper, vinyl film, fabrics, textiles, leather, etc. Package List: 10 x Blades Note: Use with care. Keep out of reach of children.