Compatible 3D Printers: This extruder hotend replacement is only compatible with Anycubic Kobra S1 Combo 3D printers. It is not suitable for other 3D printer models. Please confirm your 3D printer model before purchasing. Easy Installation: Compact design with a modular assembly including heater block, heatbreak, and 0.4mm nozzle. No wiring or stripping required, making it simple to install on Anycubic Kobra S1 Combo 3D printers. High Quality 3D Printer Accessories: Includes a fully assembled hotend kit with high-precision nozzle, throat tube, thermistor, and heater cartridge for improved print quality and consistent filament flow. Support High Speed Printing: Features an all-metal throat design that ensures even heating and smooth filament flow, supporting high-speed printing performance. Designed and tested rigorously to prevent leaks and clogs, providing a reliable printing experience. Warm Note: Please check that all components are securely tightened before use, as parts may loosen during shipping. After installation, it is recommended to re-level the print bed. Do not attempt to replace the nozzle on this hotend. Note: Product appearance and labeling may vary slightly between batches, but these differences do not affect functionality. Specification: 1 piece Color: As shown Material: Hardened steel, silicone, plastic, metal Package Contents: 1 x Hardened Steel Nozzle Hotend