Mini 10mm Stepping Gear Motor DC 5V 2-phase 4-wire Stepper Motor Reduction ratio 20:1/50:1/100:1/150:1/ 298:1

Mini 10mm Stepping Gear Motor DC 5V 2-phase 4-wire Stepper Motor Reduction ratio 20:1/50:1/100:1/150:1/ 298:1

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