Feature:1. Excellent Aluminum Alloy Material: This hot end kit is made of excellent aluminum alloy material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life.2. High Speed Printing: This hotend replacement supports a maximum print speed of 250mm/s with 2500mm/s acceleration. The speed is greatly improved while maintaining print quality.3. Multifunctional: This 3D printer hot end kit is multifunctional and can be used for high temperature filament printing on PLA, ABS, PETG, TPU, PP, PC, nylon and so on.4. Good Compatibility: This extruder hotend heater block set has good compatibility and is very suitable for use with for Creality Ender 3 V3 SE 3D printers.5. Wide Application: This 3D printer assembled extruder hotend kit has a wide range of applications, and can be used for modeling, handcrafts, DIY and more.Specification:Item Type: Extruder Hotend Heater Block SetMaterial: Aluminum AlloyNozzle Size: Approx. 0.4mm / 0.02inHeater Bar: 24V 40WThermistor: 260CSize: Approx. 90 x 23 x 35.8mm / 3.54 x 0.91 x 1.41in.Package List:1 x Extruder Hotend Heater Block Set