ONLY Compatible with I3 Mega 3D Printer!It doesn't fit on CR10 Ender 3 series 3d printers.
Pre-Assembled Unit:Just plug the cables and update the new firmware to make it work.
Better Experience for Flexible Filaments:This kits provides a short,well constrained filament path,which will contribute to avoid filament bending,buckling and jamming.
Come with Slimline NEMA 17 Stepper Motor :Likewise the use of 3:1 gearing ratio allows the use of smaller motors, making for a lighter weight carriage whilst maintaining reliability and pushing power.
Hotend is just for reference ,NOT included in package.