<p>Package includes:6 x Uddiee Blades replacements for Cricut explore air 24X30° Blades: 30° is great for small and fine designs, and is generally used for cutting quite small words, its knife point is rather sharp; 4X45° Blades: 45° is commonly used in general designs, self-adhesive sticker, PVC, reflective film and post-its, which is very practical.4X60° Blades: 60° is great for large designs, reflective film and other material. Features of Roland Cutting Plotter Vinyl Cutter Blade: Materials -Carbide and metal including a plastic box.Standard Angle: 30°/ 45°/ 60°Diameter - 2.0mmLength - 23.5mmRigidity - 91 HRA RockwellOffset - 0.25mmBreaking Strength - 4000-4200N/mm2</p>