Bambu Lab Hardened Steel Extruder Gear Assembly - X1/P1P is a durable component for Bambu Lab 3D printers. It consists of a drive gear and an active gear that work together to feed filament into the hotend. This component is designed for long-term performance and is capable of printing with tough engineering filaments such as nylon with carbon or glass fibers. In case of wear, this component can be easily replaced. It is compatible with X1 and P1P models, and the P1P stainless steel extruder can be upgraded to a hardened steel extruder by simply replacing this part. The package includes one hardened steel extruder gear assembly.