Features:1. Upgraded single head MK8 extruder, which has outstanding quality and the best performance for DIY and professional systems2. Compared to the ABS/PLA printed plastic extruder holder, this metal one has better heat resistance.3. 42mm high quality stepper motor with larger torque and less heat buildup4. Special ceramic insulation cotton ensures the stability of heating; electricity-saving5. Direct transmission, without the heavy gears, compact size and weightSpecifications:Extrusion nozzle: 1.75mm/0.4mmFlow rate of Nozzle: about 24cc / hSports shaft speed:40mm/sVoltage of heating nozzle: 12VThermistor: 100K NTCOperating voltage of cooling fan: 12VHeating rods: 6mm, 12V, 30WNormal working temperature: 190°C to 230°CNet weight: about 500gPackage Included:1x All Metal MK8 Extruder Assembled Kit1x Bracket