3Dman Bowden Dual Drive Extruder Universal Geared Extruder for Ender 3 V2/Pro, Ender 3 Series, CR10 Series, Mega S, Tevo Tornado, Wanhao D9, Anet A8 E10, Prusa I3 and DIY 3D Printer - Transparent

• TRANSPARENT DESIGN: You can see through it and look at how it works.
• Bowden Dual Drive Gears grip the filament from each side, high extrusion force, ensure smooth feeding and gives snappy retractions.
• The transmission ratio is 3: 1, the double-gear reduction mechanism feeds the material stably, does not slip, and at the same time gives the extrusion greater torque.
• for Ender 3 V2, Ender 3 Pro, Ender 3 Series, Ender 5 Pro, Ender 5 Plus, CR10 Series, Anycubic Mega S, Tevo Tornado, Wanhao D9, Anet A8 E10, Prusa I3 and DIY 3D Printer.
• The fastening spring device allows the user to fine-tune the pressure applied to the consumables by the dual-drive gear for feeding, which is convenient for replacing consumables of different materials.

1:For stepper motor mounting bracket, it is not guaranteed that all customers will use it. If the printer has its own engine mount bracket, you only need to use your own. 2: The internal filament feeding hole is small and accurate. To ensure that the filament can be inserted smoothly, You can first screw the spring into the loosest position and then tighten it when the filament is inserted. 3: The reference value of E-step is 385. Do an Estep calibration to get an accurate estep that matches your printer. What you get: Bowden Universal Double Drive Gear Extruder × 1