Material: These blades for cutting plotters are made of rust-proof and durable carbide, offering a long service life with better abrasion resistance and durability. Application: Suitable for vinyl, fine polishing processes, mahogany, wood, PVC cardboard, MDF, and other precision reliefs. The blade is sharp; use caution when removing the protective cover to avoid injury. 30 degrees: Ideal for cutting very thin window tints and Mylar materials. 45 degrees: Standard blades used on most vinyl cutters, recommended for common cast and caled vinyls and other thin materials such as ThermoFlex Plus. 60 degrees: Recommended for thicker materials including reflective films, flock, twill, and sandblast resistance. Specifications: Material: Carbide and stainless steel Blade length: Approx. 23.5 mm Blade diameter: 2 mm Angles: 30 degrees (yellow), 45 degrees (red), 60 degrees (blue) Delivery: 20 x red replacement blades (45 degrees) 10 x blue replacement blades (60 degrees) 10 x yellow replacement blades (30 degrees)