Micro Swiss NG™ REVO Direct Drive Extruder Micro Swiss NG Revo Extruder is the result of a collaboration between two leading 3D printing companies - Micro Swiss and E3D. This high-quality extruder is designed with both reliability and efficiency in mind, combining the best of both E3D and Micro Swiss technology. RapidChange Revo technology This extruder allows for seamless integration of RapidChange Revo technology with Micro Swiss NG™ extruder line. It is a true drop-in replacement for the Creality Ender 5 / 5 Pro / 5 Plus printers (please see fitment tab for details). This kit includes everything needed to upgrade your printer to a lightweight direct drive system with Revo hotend. Features: Lightweight 3:1 Gear ratio Adaptable to wide range of 3D Printers Hardened steel, precision cut Dual Gear drive Bevel Gear system allows a low overhang extruder mount Seamless integration with E3D Revo Hotend Fast and Easy nozzle swaps Fits: Ender 5 Ender 5 Plus Ender 5 Pro   Made in USA by Micro Swiss.