ITEM NAME:Assembled Extruder Hot End Kit 1.75MM 0.4MM Brass Nozzle for Ender-3 Description: Tip of the nozzle, aluminum heating block, Throat pipe . MK10 Extruder Hot End kit, white wire was temperature thermistor, red wire was heating tube 24V 40W. Installation type: external thread connection Scope of application: Ender-3 3D printer Nozzle size: 0.4mm Throat pipe length: 30mm Aluminum block size: 20 mm x 20 mm x 10 mm Operating temperature rangeï ¼Å¡ -40 ~ +260 °C (-40 ~ +500  °F) Package Includes: 1x Aluminum block 1x Heating tube (heating tube 1 m long, 24V 40W) 1x 1.75MM 0.4MM Brass Nozzle 1x M6*30mm Throat pipe 1x Thermistor + Brass sleev.MK10 Extruder Hot End kit, white wire was temperature thermistor, red wire was heating tube 24V 40W. Tip of the nozzle, aluminum heating block, Throat pipe. Nozzle size: 0.4mm. 1x 1.75MM 0.4MM Brass Nozzle.