Hongshen TZ2.0 3D Printer Hotend Heat Break Nozzle Upgrade - Hongshen - GoodThis upgrade kit enhances the performance of compatible 3D printers by improving heat dissipation and extrusion consistency. It is designed for enthusiasts and professionals looking to optimize their printing quality. The item is fully functional with minor cosmetic wear consistent with normal use.Message me if interested or for more details.This has never been used. It is brand new.It was purchased for a Bambu X1C, but never installed.