"Experience the ultimate in power and stability with the autoFlex Dream 7 Driver Shaft! Made with the latest Japanese carbon prepreg material and 2nd generation KHT. Slightly softer than the original, this shaft has been upgraded with a new tip section for enhanced impact performance. Say goodbye to the old and hello to the future of driver shafts - the autoFlex Dream 7.スペックFlexWeightRecommended Swing WeightDriver Club SpeedSF30539gC5-C860-75SF305x44gC8-C970-85SF40547gC9-D080-95SF405x50gC9.5-D0.590-105SF50552gD0-D1100-110SF505x57gD0.5-D1.5105-115"