Compatible with FLASHFORGE AD5X FDM 3D printers only, ensuring a perfect fit and optimal performance. Easy installation with a modular all-metal design, eliminating the need for wiring and stripping work. Upgraded dissipation copper block, heatbreak, and 0.4mm nozzle enhance printing efficiency and quality. Assembled hotend kit requires checking for tightness before use, as parts may loosen during transportation. Re-leveling the heat bed is recommended after installation for best printing results. This extruder hotend replacement is specifically designed for FLASHFORGE AD5X 3D printers, making it an ideal choice for users looking to upgrade their printing capabilities. The compact design and easy installation process allow for quick setup, while the high-quality materials ensure durability and improved performance. Remember to check the tightness of each part before use and re-level the heat bed after installation to achieve optimal printing results. Color: Image Color Material: Metal Package Contents: 1pack 0.25mm Hotend Nozzle Assembly 2PCS Silicone Socks 1PC Nozzle Brush