1、Dual Drive Technology: This universal geared extruder utilizes an internal gearing ratio of 3:1 together with CNC machined hardened steel drive gears, which will minimize slippage and increase feeding strength. 2、Fastening Spring Device: This dual drive extruder allows the user to fine tune the tightness with screw nut to fit with the most filament, such as PLA, ABS, PETG, TPU, NYLON, CARBON FIBER, WOOD. 3、Reduction Gear Device: This dual gear drive extruder can give out more torsion, which can reduce the burden of the motor and extend the service life of the motor. 4、Widely Compatible: This DDB extruder is suitable for Ender 3 V2, for Ender 3 Pro, for Ender 3 Pro, for Ender 5 Pro, for Ender 5 Plus, for CR10, for Mega S, for Tevo Tornado, for Wanhao D9, for Anet A8 E10, for Prusa I3. 5、Adjustable Tightness: This 3D dual drive gear extruder supports tightness adjustment, users can freely adjust the tightness according to the characteristics of the filaments. Item Type: Dual Drive Extruder Material: ABS Application: Suitable for Ender 3 V2, for Ender 3 Pro, for Ender 3 Pro, for Ender 5 Pro, for Ender 5 Plus, for CR10, for Mega S, for Tevo Tornado, for Wanhao D9, for Anet A8 E10, for Prusa I3. 2 x Dual Drive Extruder Accessory 2 x Wrench 1 x Hose 4 x Screw 1 x Spring 1 x Gasket 3 x Accessory