The NEW Gyro-Cut Pro can be fitted with different blades to suit various applications. The New Blades expand the range of crafting materials and sheets that you can cut. The Standard-Cut hardened steel blade is included with the Gyro-Cut Pro Cutting Tool. The Medium-Cut tungsten carbide 30-degree blade will cut thin fabrics, thin felt (using the Easy Felt attachment), 7.5 Mylar/acetate, thin leather (2mm max), thin balsawood (2mm max), and medium cardstock The Deep Cut tungsten carbide 45-degree blade can be used with materials such as 10 mil Mylar, fabrics, felt (3mm max), sugar paste for culinary applications, medium balsawood (3mm max), thin leather (3mm max), cereal cartons, polymer clay, thin foam/depron, and many other applications. The blades fit the Gyro-Cut Pro only and can be purchase as a Value Pack. The tungsten carbide blades have sharp cutting edges and points and are not recommended for children under the age of 10.