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DC 3V 5V 8V Precision Metal Gear 16mm Planetary Gear Electronic Starter 150:1 Slow Speed 30RPM-100 RPM Large Torque 4-Stage Gear Box Motor Drivers
16mm Planetary Gear Electronic Starter DC 3V 6V 8V 100RPM Slow Speed High Torque Full Metal Gearbox Electronic Starter Reduction Ratio 150:1 DIY Robot Car Motor Drivers
DC 3V-8V 30RPM-100RPM 16mm Planetary Gear Electronic Starter Slow Speed High Torque Full Metal Gearbox DIY Robot Car Motor Drivers
130 Planetary Gear Reducer Electronic Starter DC 12V 52 RPM Slow Speed 3-Stage Planetary Gearbox Low Noise D-Shaft Motor Drivers
