This upgrade V2.0 hotend kit is designed specifically for Adventurer 5m/Adventurer 5m Pro 3D printers. The heating block adopts advanced chromium zirconium copper nickel plating technology, with excellent heat resistance and rapid thermal conductivity. Combined with the ultra-high smoothness design of Ra0.4 on the throat inner wall, it effectively reduces clogging during the printing process and significantly improves printing quality. It is widely compatible with various 3D printing filaments such as 1.75mm PLA, ABS, PETG, TPU, PP, PC, etc.,allowing you to easily upgrade your printing experience. Automatically smooth the first layer without defects, reducing printing failure rates and improving overall efficiency. The 2.0 version of the hot end design adopts a quick disassembly structure, and the integrated throat heating block is easy to replace, making it easy for even beginners to operate. In addition, this upgraded print head hot end nozzle can be replaced. This design not only extends the service life of the print head, but also saves users replacement costs by simply replacing the nozzle instead of the entire print head. The hardened steel nozzle is wear-resistant and corrosion-resistant, supporting high-strength materials such as carbon fiber ABS and nylon printing. With a powerful heating power of 50W and ceramic rapid heating technology, it can reach up to 280 ° C, meeting your diverse needs for high-temperature material printing. Whether you are a professional designer or a 3D printing enthusiast, this upgrade kit can bring you unprecedented printing pleasure and quality improvement.