Items: Rigid flange coupling guide shaft coupler motor connector. Function: Shaft axis fittings could make your shaft more stable. Easy to Install: Easy to install and replace. Good accessory for motor and shaft connect,. Material: Flange coupling connector made of steel, strong and sturdy, electroplated. Function: A special coupler, which can fix one shaft to a plane and install other parts on the shaft easily. Double connection points fasten the coupler tightly.