1Pc 1M 28 Teeth Mod Gear 6/6.35/8/10/12mm Reduction Gears Modulus Gear DIY Micro Motor Transmission Parts Gear Box Mating Parts

1Pc 1M 28 Teeth Mod Gear 6/6.35/8/10/12mm Reduction Gears Modulus Gear DIY Micro Motor Transmission Parts Gear Box Mating Parts

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