Double Set of 0.5M Copper Worm Gears with Single Head; 1.98mm/2.28mm/2.98mm Aperture Sizes; Fits 2mm/2.3mm/3mm Shafts

Double Set of 0.5M Copper Worm Gears with Single Head; 1.98mm/2.28mm/2.98mm Aperture Sizes; Fits 2mm/2.3mm/3mm Shafts

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