Description: Sturdy Structure: The 3D printer accessory extruder can operate stably for a long time, meeting high strength requirements.Dual Gear Design: This 3D printer extruder features a dual gear design that provides a strong grip and smooth filament feeding, preventing clogging and slipping issues. This ensures the stability of the printing process.Material: Made from aluminum material, this feeder extruder is not only sturdy but also lightweight.Product Dimensions: With dimensions of 4cmx4cmx2cm, this compact Dual Gear Extruder does not take up much space and can be easily installed in your 3D printer.Package Includes: The package includes 1 dual gear extruder that needs to be assembled by the user themselves, offering an engaging DIY experience for 3D Printer enthusiasts. Specification: Material: Aluminum Size Chart: 4cmx4cmx2cm/1.57inchx1.57inchx0.79inch Package Includes: 1 3D Printer Extruder Note: Please allow slightly errors 1-2cm differences due to manual measurement.