Specifications: Made from high quality carbide, manufactured and polished for a longer life 45 ° blades are used for most general cuts 60 ° blades can achieve the most complicated and fine cutting 30 ° blades for fabric, thin cardboard and leather Standard blade for cutting standard vinyl paint adhesives Material: tungsten steel Color: Yellow, Red, Blue Angle: 30 °, 45 °, 60 °