Replacement dual drive pulley for Ender 3 CR10 CR-10S Pro

3D Printer Upgrade: Long-Reach Remote Metal Extruder with Dual Gears. Advantages: 1. Dual-gear extrusion mechanism, high extrusion force, smooth filament feeding. 2. Original aluminum alloy driver included with the CR-10S PRO. It can also be installed on the Ender-3, Tornado, etc. Stable and durable. 3. All-aluminum alloy construction, self-assembly aluminum block. 4. Improved filament pressure for the printer nozzle. Specifications: 3D Printer Upgrade: Long-Reach Remote Metal Extruder. Compatibility: For 1.75mm filament, CR-10, CR-10S, Ender-3, Ender-3 PRO. Material: Aluminum alloy. Color: Red. Package Contents: 1 x Long-Reach Remote Metal Extruder.