1.The use of excellent stainless steel as elastic materialcoupling with high torsional ,rigidity ,more suitable  for automatic control drive raoid response.

 2.No backlash ,hysteresis,can be high precision repeat positioning .

 3.Low inertia design ,for positive and negative operation.braking ,et,can fully play its excellent durbility.

 4.The coupling most suitable for the feed shaft spindle of NC machine.