This Kit NOT Include Motor. Suitable For Remote and Short distance Easy to assemble: DIY Extruder, you need to assemble it yourself, and it is easy to assemble Practical: Extruder can directly replace your old thin plastic extruder Suitable for: Replacement Extruder Drive Feed is suitable for 1.75mm filament Description: You just remove the old extruder and screw and then install the new Replacement Extruder Drive Feed. All the necessary accessories are included in the package. Aluminum alloy material ensuring this Upgraded Extruder is last for long term use! Feature: Upgraded Extruder Color: Yellow blue and black. Material: Metal. Size: Packing size: 10x10x5cm/3.94x3.94x1.97 inch. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight 1-3cm dimension difference due to different manual measurement. 1*Upgraded Extruder