[Material] Made with carbide materials, edge grinding wheel with ultrafine polishing, ultra-hardness, super toughness, and more wear-resistant edge. Compatible with CB09 Graphtec Cutting Blade Holder. [Blade] 30-degree blades are predominantly used for cutting very thin materials such as fabric, mylar, thin cardboard, and leather; 45-degree blade is suitable for most general cuts including standard cast and calendered vinyls; 60-degree blade is ideal for intricate, delicate cuts or thicker materials. [Replacement] All blades require manual adjustment. These silhouette cutting blades do not automatically adjust for cutting depth in the machine. [Application] Hard alloy cutter blades feature a fine polishing process, offering durability for long-term cutting. Suitable for use with PVC color board, mahogany, wood, MDF, and other precision relief applications. Color: Yellow + Red + Blue Material: Tungsten Steel Size: 13.1 x 10.1 x 2.6 cm Package Contents: 10 x 30-degree Cutter Blade 10 x 45-degree Cutter Blade 10 x 60-degree Cutter Blade 1 x Blade Holder 30 x Mini Spring Only the above package content is included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.