Material: Hardened Steel
1. Overall hardness 500c
2. Tight joints and flat contact surface to solve the leakage problem around heatblocks, heatbreaks and nozzles.
3. Cut chamfering, reduces resistance, reduces cold cutting Angle resistance, and smushes the filament smoother
4. Overall hardening treatment, high temperature resistance, corrosion resistance, smooth filament delivery
5. Nozzles clearly inscribed with the correct nozzle size.
Cheap but very serviceable nozzle.