3D Printer Extruder Double Nozzle 12V 24V Print Head Distal Thermocouple<br>Feature:<br>Nozzle diameter: 0.2mm， 0.3mm 0.4mm OptionalMotion shaft speed: 40mm \/ sNozzle flow rate: about 24cc \/ hPrint Material: ABS， PLARed part silicone sleeve diameter: 28mmFor optical axis distance: 8mm， axis distance: 14mm<br>The extruder stepper motor model 42HB34F08ABCooling fan working voltage: 12VExtrusion head heating voltage: 12V \/ 24VResistance:4.8- 6 ohm， 500 mm lead100 k thermistors1000 mm stepper motor fusesFeeding tube standard 500 mm<br>Package included:<br>1 x 3D Printer Extruder Double Nozzle