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 Kit Scope of application: Ender-3/3S 3D printer Material: Aluminum & Stainless Steel & Brass Installation type: external thread connection Nozzle size: 0.4mm Throat length: 30mm Aluminum block dimensions: 20 x 20 x 10 mm Operating temperature range: -40 ~ + 260°C (-40 ~ +500 °F) Thermistor and heater cable length: 1.2M Package Size: 11 x 10.5 x 6/4.3 x 4.1 x 2.3in Package Weight: 201g/7oz Packing List: 1 x Aluminum Block 1 x heating tube (heating tube 1.2M, 24V 40W) 1 x 1.75MM 0.4MM Brass Nozzle 1 x M6*30mm throat pipe 1 x Thermistor (1.2M/XH2.54) 1 x Fan Cover 1 x Silicone Cover 1 x Pneumatic Connector 1 x PTFE tube (400mm) 1 x 4010 Axial Fan （24V/1.2M-XH2.54） 1 x 4010 blower fan （24V/1.2M-XH2.54）