Feature:1. Hardened Steel: The extruder gears are made of hardened steel, boasting high hardness and wear resisting, enabling the printing of various abrasive materials and significantly extending the service life2. Heat Processing: The extruder gear surfaces undergo heat processing, further enhancing wear resisting property and providing rustproof and lubrication effect, ensuring professional printing results3. Drive and Reduction Gear: Comprising both double drive gears and reduction gear, this kit accurately feeds filament into the printer hot end, guaranteeing professional and stable printing quality4. Applicable Materials: The hardened steel gears allow the extruder to print engineering materials such as carbon fiber, glass fiber, and nylon, making it suitable for a wider range of printing applications5. Applicable Model: Specifically designed for Raise3D Pro2 Series, for Pro3, and for E2 Series 3D printers, this extruder gear assembly can directly replace worn out or damaged extruder gearsSpecification:Item Type: Extruder Gear SetMaterial: Hardened Steel.Package List:3 x Extruder Gears