Feature:1. The inside of the extruder will continue to convey materials stably, and the design will be optimized.2. The wearing parts will not twist from the side of the extrusion wheel, avoiding the blockage caused by the internal winding of the extruder.3. Doubledrive extrusion, no need to worry about consumable slippage and bite, easy to assemble and feed.4. The extruder can adjust the paper feed force with screws to adapt to all 3D printing consumables. For example: PLA, ABS, PETG, TPU, nylon, carbon fiber, wood.5. Suitable for most DIY 3D printers, such as for Creality 3D CR10 / Ender series Wanhao D9 / Anet E10 / Et4 / Geeetech printers.Specification:Item Type: 3D Printer Extruder KitMaterial: Stainless steel, plasticReduction Ratio: 3: 1.Package List:1 x Extruder1 x Motor Bracket1 x Pipe1 x Gearwheel2 x Hex Wrench1 x Spring3 x Cap Head Screw1 x Adjusting Screw1 x ManualNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.