0.3M Modulus Copper Gear 16T 17T 18T 19T 20T 21T 22T 23T 24T 26T 28T Teeth Metal Motor Gearwheel Thickness 4mm

0.3M Modulus Copper Gear 16T 17T 18T 19T 20T 21T 22T 23T 24T 26T 28T Teeth Metal Motor Gearwheel Thickness 4mm

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