Replacement for MakerBot Prusa i3 Reprap 3D Printer Assembled MK8 Extruder 0.4mm
1 MK8 Extruder. The extruder is almost most important part for 3D printer, also the most difficult part to calibate. Motor Model: 42HS4415L23.5P1-X. There might be a bit color distortions due to different computer resolutions.