ITEM NAME:Hot End Kit 0.4mm Nozzle Extruder Throat 24V 40W Heater Thermistor Aluminum Description: Made of high quality metal, sturdy, durable and wear resistant. The extruder is direct drive with very little or no room for filament to wiggle. 0.4mm nozzle; 1.75 filament size; aluminum heating block; heater wire 24V 40W. 100K ohm temperature thermistor, with pin head for connecting easily. A perfect replacement part, fit for Anet ET4, ET4X, ET4 Pro 3D printer. Specification: Resistance: at 25Â °C=100K ohm Working Temperature Range: -40Â °C~+260Â °C Material: Stainless Steel, Aluminum, Brass Voltage: 24V Power: 40W Heat Block: 20x20x10mm Input Diameter: 1.75mm Nozzle: 0.4mm Package Includes: 1 x Hot End Kit SKU: DMO0018170768033577.100K ohm temperature thermistor, with pin head for connecting easily. Power: 40W. Nozzle: 0.4mm. 1 x Hot End Kit. Material: Stainless Steel, Aluminum, Brass. Heat Block: 20x20x10mm. Working Temperature Range: -40Â °C~+260Â °C.