Hardened Steel Volcano Nozzle for High Temperature 3D Printing for E3D Size options: 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8 and 1.0mm Features: Nozzle hardness: overall hardness 50, (surface hardness 55-60) Treatment hardness: overall hardening treatment Nozzle characteristics: It is made of high-quality thermoforming, high temperature carburizing and hardening treatment, it has super wear resistance, heat resistance, high hardness and high toughness, long service life, compatible with most high temperature printing filaments on the market . 1: The bottom of the nozzle is flat and fits perfectly with the throat, effectively avoiding material leakage, and the chamfer is rounded to reduce the resistance of the edges to the consumables ​ 2: Bright appearance, clear lettering, accurate identification of aperture size ​ 3: Super long size, large flow, suitable for fast printing models Tips for nozzles:When disassembling, heat to over 200℃ before disassembling! ! ! ! Package content: 1 x Nozzle ( size and quantity as per selected)