We finally found it ! Finally, we can introduce the shaft of your dreams.Autoflex shaft with K.H.T (Korea hidden technology) applied is a new concept of the shaft that changed the common sense of the ordinary shaft.This soft Autoflex Shaft will provide you the fun that you have never experienced.Up to 20~30 gram lighter than the conventional shafts.Select the weight of Autoflex shaft according to the swing speeds.The shaft automatically optimize the transfer of energy despite different swing speeds.Increases the head speed while providing stable swing posture and distance.スペックFairway Wood (43")specSF305SF405SF405xSF505SF505xSF505xxweight (+-1)404345485356swing weightC5-C9C6-D0C9-D1D0-D1.5D1-D2D1-D2