All Metal Hotend Kit for 1.75mm Filament CR-10/10S Ender 3/3S Pro/V2 3D Printer
For for CR10/10S, for Ender 3/3S, CR10 Pro/V2 Series 3D Printers. The heating block and the heat dissipation block are fixed with screws, and the throat pipe will not be loosened. When replacing the nozzle, the heating block will not rotate.