This is a kit with a dual-gear extrusion mechanism, high extrusion force, ensuring smooth feeding. This is an aluminum alloy upgrade to the original, suitable for the Ender CR-10S PRO, although it can also be installed on Ender-3, among others. This kit is stable and durable, and can provide better thrust to the filament into the printer nozzle. It is an all-metal aluminum alloy, DIY aluminum block, requires self-assembly.
