drivegears kit for upgrade MK2/MK2S/MK2.5 3D Printer
extruder dual gears for prusa i3 Mk3
Material : hardened steel, black treatment to advoid rusting
Description
Bore size for both gears is 5mm; Material: Hardened steel ; Package: 1pcs high quality pulley with set screw, 1pcs high quality pulley without screw, 2pcs m3nS nuts, 1pcs M3X20 shaft, 2pcs bearings .