DDB Extruder Clone Dual Drive Upgrade Bowden Extruder Kit For 1.75mm Filament 3D Printer Parts Ender-3 / CR-10S Pro

The use reference video is provided for youDescription The Cloned Extruder 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 lightn fast retractions in a lightweight and compact package Gear Direction Package included 1 x Extruder kit