Features:Full Assembled Hotend Kit is compatible with CR-10 , CR-10 S5, CR-10-S4, CR-10S, CR-10 MINI, Ender-2, Ender-3, Ender-3 PRO, Ender-3S and Ender-5 3D printers.Equipped with high quality thermistor and heating tube are up to 260 , with rapid-risen temperature, precise temperature control and good stability.The frosting surface of aluminum shell anodized for sturdy and more wearable; integrated structure and simple circuit are convenient for disassembly, repair and assembly.Equipped with 2pcs 24V high speed cooling fan, keep the heating block in a stable temperature.The silicone insulating sock can make the heater block heating faster, it can prevent the temperature spillover of the hot end, and help to keep the hotend temperature extremely stable.Specification:Model: Ender-3 Full Assembled Hotend KitScope of application: Ender-3/3S 3D printerMaterial: Aluminum & Stainless Steel & BrassInstallation type: external thread connectionNozzle size: 0.4mmThroat length: 30mmAluminum block dimensions: 20 x 20 x 10 mmOperating temperature range: -40 ~ + 260C (-40 ~ +500 F)Thermistor and heater cable length: 1.2MPackage Size: 11 x 10.5 x 6/4.3 x 4.1 x 2.3inPackage Weight: 201g/7ozPacking List:1 x Aluminum Block1 x heating tube (heating tube 1.2M, 24V 40W)1 x 1.75MM 0.4MM Brass Nozzle1 x M6*30mm throat pipe1 x Thermistor (1.2M/XH2.54)1 x Fan Cover1 x Silicone Cover1 x Pneumatic Connector1 x PTFE tube (400mm)1 x 4010 Axial Fan 24V/1.2M-XH2.541 x 4010 blower fan 24V/1.2M-XH2.54