Product Materials: Made with POM and DLC coat hardened steel, with CNC processing, this extrusion gear achieves HRC 60+ compressive strength and HV 1000-1200 surface hardness, enhancing wear resisting performance, and load capacity; Integrated Shaft Design: This 3D printer extruder gear features an integrated shaft to prevent detachment from POM nut, eliminating extra assembly while improving concentricity and reducing eccentric rotation for smoother filament feed; High Temperature Resisting: The hardened steel extruder gear withstands 500 high temperature printing, with DLC coating boosting durability and reliability, while maintaining precise alignment with other extruder components; Compatibility: Fit for extruder. Fit for Ender 3 V2 Neo, fit for Ender 3 S1, fit for Ender 3 S1 Pro, fit for Ender 3 S1 Plus, fit for Ender 3 Maximum, fit for Ender 3 V3 SE, and more, this gear is suitable for fused deposition modeling 3D printers; Precise Engineering: The DLC coated gear ensures uniform filament extrusion due to reduced vibrations and optimized gear teeth geometry, extending the lifespan of your 3D printer extruder system

What's in the box
1 x 3D Printer Extruder Gear