Tips: To avoid scratching your fingers, these blades come wrapped in a protective rubber cover. Please remove them from the cover before use. These blades for Cricut must be manually adjusted according to different cutting materials. Compatibility: These replacements are fully compatible with Cricut Air 2, Air 3, Maker, and Expression machines. Suitable for use with Cricut cutting machines. 3 Size Cutting Effect: Includes 3 different blade sizes for various materials. The 30 blade is ideal for thin materials such as window tint, film, and rice paper. The 45 blade is the standard option, suitable for paper, vinyl, stickers, and adhesive foil. The 60 blade is designed for thicker materials including fabric, cork, magnet, leather, and thick card stock. Cutting Performance: Made from high-quality tungsten steel, these replacement blades are durable and resistant to rust. They provide smooth, clean cuts without dragging or skipped spots, ensuring precise results for your projects. Product Name: Die Cutting Blade Replacement Size: 23.5 x 2 mm Color: As shown Material: Tungsten Steel Package Contents: 10 x 30-degree fine point cutting blades (yellow cap) 30 x 45-degree standard blades (red cap) 10 x 60-degree deep cut blades (blue cap) Note: Only the items listed above are included. Other accessories are not part of this package. Note: Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement error allowance is +/- 1-3 cm.