Material: This A1 mini extruder is made of hardened steel material, which has high strength and oxidation resistance, and can extend the service life of the nozzle
Insulated Silicone Sleeve: The Silicone Sleeve Prevents The Fan From Cooling The Heat Block And Helps Stabilize The Temperature.
Before replacement, please ensure that the hotend has cooled downand avoid touching the heating block at the bottom of the hotend to prevent burns.