57 motor 56mm Gear ratio 13:1 15:1 18:1 Planetary Gearbox stepper motor Nema 23 4A Geared Stepper Motor 3d printer stepper motor
USD 62.88
57 motor 56mm Gear ratio 13:1 15:1 18:1 Planetary Gearbox stepper motor Nema 23 4A Geared Stepper Motor 3d printer stepper motor