2 x 6mm H15xD15 Rigid Flange Coupling for DIY Parts Motor Guide Shaft Connector

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4Pcs 6mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft

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3.15mm-14mm Rigid Flange Coupling Motor Guide Shaft Coupler Connector

6mm H15*D15 Rigid Flange Coupling Motor Guide Shaft Coupler Motor for DIY Parts