1Pcs 45# Steel 3/4/5/6/6.35/7/8/10/12mm Rigid Shaft Coupling Coupler Motor Transmission Connector Sleeve DIY Motor Parts

1Pcs 45# Steel 3/4/5/6/6.35/7/8/10/12mm Rigid Shaft Coupling Coupler Motor Transmission Connector Sleeve DIY Motor Parts

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