DC Geared Motor, 12V 200RPM 5840-31ZY Permanent Magnet Turbo Wurm Getriebe Motor Reduktion Motor Used in Electrical Appliances Such as Remote Control Curtains Shredders: Amazon.com: Tools & Home Improvement
Nema 11 Stepper Motor Bipolar L=51mm w/ Gear Ratio 5:1 Planetary Gearbox - 11HS20-0674S-PG5 STEPPERONLINE
Nema 23 Stepper Motor L=56mm Gear Ratio 100:1 High Precision Planetary Gearbox - 23HS22-2804S-HG100 STEPPERONLINE