Features: Experience unparalleled Filaments delivery precisions with the for Neptune4 Integrated Gear set, featuring innovative one for superior concentricity. Crafted from high strength die molded with a hardness value of HV 1000-1200 and with nanotechnology reaching HRC62-65, this gear promises exceptional wear resistance and corrosion protections The for Neptune4 gear set is essential upgrades for all 3D printing enthusiasts enhances their printer's performances and reliability. For use in home and office 3D printing setups, this gear kit ensures smooth and consistent Filaments feeding, improving print quality across various applications. Elevates your 3D printing experience with the for Neptune4 gear kit, where engineering excellences meets practical functionality for long last highly prints. Specifications: Component: Metal Diameter：about 27mm/1.06in Hardness Value of HV 1000-1200 HRC62-65 For Neptune4 Package Includes: 1Set Integrated Extruder Gear note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.