Upgrade Replacement--The extruder feeder drive kit is made from high quality aluminum, more durable than the original plastic one.
Compatibility--The feeder drive kit is suitable for 3d printer CR-10 Series, such as CR-10 S4, CR-10 S5, CR-10 Mini, CR-10S, CR-10, etc.
White Teflon Tube--The teflon tube matches with the bowden adapter perfectly.
Consistent Feed--The mk8 drive gear can push filament more easily, no more worry about feed clicking and filament slips.
Easy Assembly-- Unbolt the worn original plastic extruder frame; then screw in the new aluminum extruder feeder drive kit.