Kee Pang MK8 Extruder Hotend kit for MakerBot Prusa i3 Reprap 3D Printer

100% brand new and high quality Single head geeetech MK8 extruder upgrade, with excellent quality and the best performance of DIY and professional systems. Simply, assemble your own double extrusion head. 42mm high quality stepper motors have a high torque and less heat buildupGuarantee of thermal insulation cotton special ceramic stability; energy savingDirect drive, without heavy equipment, compact size and weight Built-in special high temperature self-lubricating material Variety of specifications to choose the best. Extrusion nozzle Diameter: 0.4mm Printing Material: 1.75mm low nozzle: Approx. 24cc/hour Shaft speed: 40 mm/s Nozzle heating Voltage: 12V 100 K NTC thermistor, cooling fan, Operating voltage: 12V Heater: 6mm, 12V Operating temperature Normal: 190-250 ?(the maximum temperature does not exceed 280 °) Quantity:1Set Package includes: 1Pc x MK8 Extruder 3D Printer Part