"The N. S. PRO 850GH Steel Shaft for Irons (Ultra-lightweight) Light enough for full swings with dual-step construction for added distance!The N.S.PRO 850GH enjoys rapidly growing popularity as an “attacking” shaft. These ultra-lightweight models feature easy contact thanks to their light weight and consistent directionality. What’s more, the full swings you enjoy as a result help provide the trajectory you want with crisp contact.スペックFlexLENGTHWEIGHTBALANCE POINTTORQUEKICK POINTButtTipR39.5""〜35.0""(#1〜#W)87.0g50.3%2.1°Middle0.600""0.355""S39.5""〜35.0""(#1〜#W)91.0g50.3%2.0°Middle0.600""0.355"""