Upgraded Hotend for Artillery Sidewinder X1 X2 Genius and Pro 3D Printer Parts All Metal Nozzle Heating Block Thermistor Kits Compatible with Artillery Sidewinder X1, Sidewinder X2, Artillery Genius and Artillery Genius Pro 3D printer. Heater Cartridges : 1. Compatible with all versions of the Genius and Sidewinder . 2. 24V, 64W, VH3.96 Terminal. 3. Length: about 75mm. Heater block: Meterial:Aluminum length x width x height 20 * 20 * 12mm Thermistor: NTC100K built-in thermistor size φ3X5mm terminal XH2.54 2PIN male head, terminal cable length 70mm Nozzle: 0.4mm volcano brass nozzle(installed on the print head) Throat: Bore 4.1mm