Micron Nema True Planetary Gearhead, 10:1 Ratio, Size 42 for sale. Used, shows some cosmetic wear but in good functional condition. It's attached to some other apparatus that was used in scientific testing but you can remove those parts and discard them if you don't need them.
Asking $150
For out of town buyers: we can ship this (gearhead only) to almost any domestic address for FREE. We will remove the gear head and detach it from the rest of the unit prior to shipping. If you want the rest of the parts, a shipping charge will apply.