Product Description D20L25 Aluminum plum couplings flexible jaw spider shaft coupler motor shaft coupling diameter 20 length 30 High precision TPU plum flexible shaft couplings Product Description plum flower coupling D25L30 material aluminum alloy can do custom made size D25L30 D14 L22 D105 L140 prodcution time 1-5 days   type clamp can do top tight … Continue reading China OEM D20L25 Aluminum Plum Couplings Flexible Jaw Spider Shaft Coupler Motor Shaft Coupling