1. All black utility blades, blocking the contact of oxygen and steel
2. SK5 high carbon steel blade, good corrosion resistance, and anti-rust
3. Sharp cutting, no burrs, wider cutting
4. Three-layer cutting edge, special heat treatment process
5. Suitable for: cutting of corrugated paper, PVC, thick felt, soft metal, carpet, wallpaper, leather
6. Material: SK5
7. Blade angle: about 60 degrees
8. Blade thickness: about 0.6mm
9. Blade width: about 18mm