3D Printer Extruder Retrofit Kit For Ender3/CR10, Style: Single Board

1. Extrude consumables, pull back more accurately2. Increase the pulley to reduce wear and improve stability3. Compatible with more consumables, such as flexible consumables TPU, it is more convenient to change materials4. All-metal structure, easy to replace, and increased heat dissipation holes5. You can switch between short-range and long-range extrusion at any time, which is convenient for disassembly and assembly, and does not affect the function of the original printer6. Material: aluminum alloy7. Applicable models: suitable for Ender 3/Cr108. Description: the motor is not included in the shipment