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. 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 1 x Extruder Hotend Heater Block Set