1. Extrusion gears are closely matched with U-shaped bearings 2. The extrusion force is uniform to avoid slippage and grinding 3. All metal aluminum alloy, flexible adjustment of extruder gear pressure 4. Compatible with a variety of consumables, can print soft plastic consumables 5. DIY aluminum block, easy to assemble 6. Product size: 16x89x162mm 7. For Creality 3D Ender-3 series, CR-10 series
