Upgrade Short-Stroke Extrusion Kit with Hot End Print Head Motor Back Support Plate with Pulley Extruding Backplate Compatible with Ender-3 / Ender-3 S /CR 10 3D Printers

This upgrade/replace assessory is compatible with Ender3/Ender3S/Ender5/CR10 3D printers., Upgrade short-range extrusion, consumables extrusion and pumping more accurate. Support TPU soft material supplies., The main material is high quality metal. The fixed parts are made of aluminum, which is lighter and reduces the burden of X-axis movement., All metal structure which mean it's not easy to deform., Convenient to install and disassemble, does not affect the printing effect.