0.5M Modulus 18/20/22/24/25/26/28/30/32/36/40/50T teeth Metal Copper Brass Gear wheel Fit 2mm Shaft Gear Customize

0.5M Modulus 18/20/22/24/25/26/28/30/32/36/40/50T teeth Metal Copper Brass Gear wheel Fit 2mm Shaft Gear Customize

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