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DC 6V 60 RPM/100 RPM/300 RPM/600 RPM Micro Speed Reduction Motor Micro Metal Gear Box for RC Car Robot DIY Engine Toy(600RPM)
370 Gear Electronic Starter Full Metal Gearbox DC 5V-6V 300RPM Gear Reduction Electronic Starter Dual Gear Driver Large Torque Reduction Ratio 1:20 Motor Drivers