Feature:1. Special shape design makes the extruder better heat dissipation, temperature resistance and strong durability.2. Extruder hot end kit is made of alloy material which has corrosion resistance.3. High temperature and high pressure resistance, stable performance, easy to use.4. Heating tube power is 24V 40W, heating up fast, high working efficiency.5. Fine workmanship, wearresistance and corrosionresistance, the service life is longer.Specification:Conditon: 100% Brand NewItem Type: 3D Printer Extruder KitMaterial: AlloyModel: CR10Color: As Pictures ShownNozzle Size: Approx. 0.4mm/0.016inThroat Length: Approx. 30mm/1.2inAluminum Block Size: Approx. 20 x 20 x 10mm/0.8 x 0.8 x 0.4inApplication: for 3D printerInstallation Type: External Threaded ConnectionHeating Tube Power: 24V 40W.Package List:1 x Extruder Hotend Kit