YUEHISY 2Pcs 3D Printer Extruder Hotend Kit for Kobra S1, Full Metal Hot End with Steel Nozzle, Thermistor, for Kobra S1 Combo ACE Pro 3D Printers

["Upgraded 200K Thermistor: Our kit features an upgraded 200K thermistor that eliminates temperature issues, providing consistent and reliable performance for all your printing needs.","Seamless Nozzle and Heat Block Design: The seamless connection between the nozzle and heat break enhances heat dissipation, preventing clogs and accelerating cooling for smoother operation.","High Speed Printing up to 600 mm/s: Constructed with a full metal structure, this kit supports printing speeds of up to 600 mm/s, enabling rapid, quality prints in just 15 minutes.","High Temperature Resist: Capable of maintaining temperatures up to 120℃, this hotend is suitable for working with high temperature materials like ABS and ASA, ensuring stable extrusion for industrial grade projects.","Quick and Easy Installation: Installation is a breeze with pre installed heating elements, thermistors, and nozzles, simply remove the old hotend and install the new one. We recommend recalibrating the heated bed for professional performance."]