Features Good Compatibility: This extruder hot end has good replaceability and is compatible with ET4, ET4 Pro, ET4X 3D printers, making it an ideal replacement part. Direct Drive: The extruder hot end of the 3D printer is direct drive with little room for filament wiggle. High Temperature Resistance: The temperature thermistor of the hot end of the extruder of this printer is 100K ohms, with two good high temperature resistance properties. With Pins: The replacement printer extruder hot end with pins is easy to connect, easy to replace and install, effectively saving time and effort. Advanced Material: 3D printer extruder hot end is made of high quality aluminum, stainless steel and brass materials, with good corrosion resistance and wear resistance, long service life. Specification: Item Type: 3D Printer Extruder Hotend Material: Aluminum, Stainless Steel and Brass Applicable Models: For Anet ET4, for ET4X, for ET4 PRO, etc. Heating Tube Voltage and Power: 24V 40W Operating Temperature Range: -40℃ to +260℃ Heating Aluminum Block Size: Approx. 20x20x10mm/0.8x0.8x0.4in Nozzle Size: 0.4mm/0.016in Usage: To replace the original extruder hotend Package List: 1 x 3D Printer Extruder Hotend Package List 1 x 3D Printer Extruder Hotend