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/s² 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 Set Material: Aluminum Alloy Nozzle Size: Approx. 0.4mm / 0.02in Heater Bar: 24V 40W Thermistor: 260°C Size: Approx. 90 x 23 x 35.8mm / 3.54 x 0.91 x 1.41in. Package List: 1 x Extruder Hotend Heater Block Set