ZONESTAR Dual Gear Extruder Dual Drive Extruder Upgrade Bowden Extruder 1.75mm Filament 3D Printer Parts

Product Name:                         Dual gear drive extruderFilament Diameter:                  1.75mmMatched stepping Motor*:      Nema17/Nema16 Stepper Motor withh 5mm shaft diameter *NOTE: This item doesn't include the stepper motor. HINT: 1. If your printer is Z9V5, please choose purchase 2 right hand extruders and 2 left hand extruders. 2. If your printer is Z8PM4, please choose to purchase 4 left hand extruders. User guide: https://github.com/ZONESTAR3D/Upgrade-kit-guide/tree/main/Dual_Gear_Extruder The utilizes an internal gearing ratio of 3:1 together with precision cnc-machined hardened steel drive gears to give you a compact powerhouse for all your applications. Whether you require high resolution prints with small nozzles or high-flow prints with big nozzles the optimized gearing ratio combined with our industry leading drive gears provides unparalleled pushing power and lightning fast retractions in a lightweight and compact package. One set dual gear drive extruder p