1. Wear resistance, high temperature resistance, and high hardness2. Using a combination of hardened steel and chromium zirconium copper, it has better thermal conductivity than normal hardened steel nozzles3. Using a three hole device can increase the flow rate of consumables during printing and improve printing speedPlease note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!Printing consumables: PLA, ABS, PETG, TPU, PA, PC, NYLON, etc..The inner wall of throat nozzle is smooth, reducing plug and improving printing accuracy.Colour:blackMaterial:hardened steelSize:0.4mmPackage Contents:3 x CHT Clone NozzlesOnly 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.