Product Description The MK8 nozzle is crafted from premium brass, which offers excellent thermal conductivity and high wear resistance while minimizing oxidation reactions at high temperatures, delivering outstanding printing results.We package the MK8 nozzle and other accessories in a sturdy box for convenient access and easy portability.Our team has successfully developed and assembled multiple 3D printers, accumulating extensive experience in this field.Should you have any questions, we will provide solutions within 24 hours.