The ELEGOO Neptune 4 Plus FDM 3D Printer is equipped with all TBStron3D Axis Linear Rail Upgrades and Z-lift kit offering improved precision and stability during the printing process. Also upgraded with Z-Axis Lift Support from TBStron3D. Selling as fully operational, and with the stock parts orginally from production, if buyer is interested in removing the upgrades to have a Stock Neptune 4 Plus. Also including all spare parts. Selling because I recently purchased two new printers, so off-loading this to make room. With a maximum print size of 320*320*385mm and a maximum resolution of 0.12mm, this printer is capable of producing high-quality prints with intricate details. Featuring a 0.4mm nozzle size and a printing speed of 500mm/s, this unit is designed for efficiency and accuracy. The touchscreen interface and USB connectivity make it easy to use and share your creations with others. Imported from China by the reputable brand ELEGOO, this 3D printer is a reliable choice for both hobbyists and professionals in the field of 3D printing technology. Will also include all spare parts and select stock parts such as the Pom wheels and brackets for all axis and double sided build plates and replacement nozzles and select extra belts.