Features COMPLETE KIT: The kit includes heating tube, thermistor, heat sink, heating block, pneumatic connector, throat, PTFE tube, 0.4mm nozzle, sprinkler insulation silicone cover HIGH AND LOW TEMPERATURE RESISTANCE: The operating temperature range of this kit is ‑40 to +260°C, which is high temperature and low temperature resistance PREMIUM MATERIALS: The kit is made of high quality brass, ABS, aluminum alloy and stainless steel materials, features high strength, corrosion resistance, long last durability EASY INSTALLATION AND REPLACEMENT: 2 pre opened holes make the installation and replacement of hot end on the printer easier, the structure is very sturdy and stable SCOPE OF APPLICATION: This kit is suitable for 0.4mm nozzle, mainly used for ENDER3 series, for series 3D printers Specification: Item Type: Extruder Hotend Kit Material: Brass+ABS+Aluminum Alloy+Stainless Steel Installation Method: External thread connection Scope of Application: 3D Printers (for ENDER3 series ) Nozzle Size: Approx. 0.4mm Throat Length: Approx. 30mm/1.2in Aluminum Block Dimension: Approx.20x20x10mm/0.8x0.8x0.4in Operating Temperature Range: -40 to +260°C (-40 to +500 °F) Voltage: 24V Power: 40W Included: Heating tube, thermistor, heat sink, heating block, pneumatic joint, throat, PTFE tube, 0.4mm nozzle, nozzle thermal insulation silicone sleeve Package List:1 x Extruder Hotend Kit Package List 1 x Extruder Hotend Kit