2pcs 5mm H12*D10 Rigid Flange Coupling Motor Guide Shaft Coupler for DIY Parts

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4 PCS 5mm Flange Shaft Coupling, Rigid Flange Coupling Motors Guide Shaft Suppor

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11mm H13*D18 Rigid Flange Coupling Motor Guide Shaft Coupler 2PCS for DIY Parts

2 Pcs 5mm Inner Dia Rigid Flange Coupling Motor Guide Shaft Coupler H12*D10