3D Printer Parts AccessoriesWires Lenght: 1 MeterOne Color Print Head1 set assembled single color print head, include hotend, fans and housing; Z5X,Z6FB2-IN-1-OUT Print Head1 set assembled 2-IN-1-OUT mix color print head, include hotend, fans and housing; Z5X2-IN-2-OUT Print Head1 set assembled 2-IN-2-OUT print head, include hotend, fans and housing; Z5XNOTE: All of the nozzles share one cartridge heater and temperature sensor.Please feel free to contact us if any problems, our customer service team will reply to you at the first time.