Compatible 3D Printers: This extruder hotend replacement is compatible with Anycubic Kobra S1 Combo 3D printers only. Please confirm your printer model before purchasing. Easy Installation: Compact design with modular components including heater block, heatbreak, and 0.4mm nozzle. No wiring or stripping required, enabling quick and simple installation on Kobra S1 Combo 3D printers. High Quality 3D Printer Accessories: Includes assembled hotend kit with high-precision nozzle, throat tube, heater block, thermistor, and heater cartridge for improved print performance and consistent results. Support High Speed Printing: Features a semi-assembled all-metal throat design that promotes even heating and smooth filament flow, supporting high-speed printing. Designed and tested to prevent leaks and clogs, providing reliable printing performance. Warm Note: Please check that all parts are securely tightened before use, as components may loosen during shipping. After installation, it is recommended to re-level the print bed. Do not replace the nozzle on this hotend. Appearance and labeling may vary slightly between production batches, but this does not affect functionality. Specification: 1 piece Color: As shown Material: Hardened steel, silicone, plastic, metal Package Contents: 1 x Hardened Steel Nozzle Hotend Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.