[Application] - 45 degree blade used for most general purpose cuts; 60 degree blade performs intricate and delicate cuts; 30 degree blade is recommended for fabric, thin cardboard, and leather. [Cutting Material] - These replacement blades are designed for cutting card stock, fabric, heat transfer material, transparencies, paper, vellum, adhesive vinyl, and magnet paper. [Precise and Sharp] - The tips are made from hard alloy with high hardness, providing toughness and durability. They cut fine details accurately and maintain sharpness over extended use. Note: These Silhouette replacement blades do not automatically adjust for cutting depth and must be manually adjusted to the appropriate depth setting. Compatibility: Compatible with CAMEO 1, 2, 3, and CAMEO 4 Color: As shown Material: Alloy Package Contents: 1 x Housing Cutting Kit Only the above package content is included; other items are not part of this product. Note: Lighting reflections and display differences may cause slight variations between the color in the image and the actual item. Measurement may vary by +/- 1-3 cm.