3D Printer Extruder Thermocouple Double Nozzle Printing Head<br>Feature:<br>Operating voltage: 12VNozzle: 0.2 \/ 0.3 \/ 0.4 \/ 0.5mm (optional)Fans line length: 0.35mHeating head cable length: 0.5mStepper motor cable length: 1mMovement shaft speed: 40mm \/ hNozzle flow rate: about 24cc \/ hPrint Material: ABS \/ PLA 1.75mm<br>Package included:<br>1 x Thermocouple Double Nozzle Extruder