[Excellent Quality] These nozzles are made of high-quality hardened steel and are characterized by high hardness and wear resistance. The nozzles provide superior printing results compared to ordinary nozzles and can be used for a long time. [High Temperature Resistance] The nozzle is highly to high temperatures and suitable for 3D printing at high temperatures. The inner wall of the nozzle is smooth and free of burrs, which can effectively avoid filament blockage. It is also compatible with filament materials such as PLA/ABS/TPU/PETG/PA etc. [Package Included] 6pcs Hardened Steel Nozzles: 0.4mm(2 pcs)/0.6mm(2 pcs)/0.8mm(2 pcs). The installation process of the nozzle is simple and easy to use. [Compatible Printer] Fit for 3 3D Printer. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:Hardened Steel Package Contents: 6 * Hardened Steel Nozzles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.