"TENSEI™ Pro White 1K is built for the player who seeks perfection. Created using extraordinary 1K Fiber that is 3x thinner than Carbon Kevlar for a tighter, more consistent weave. This super premium fiber produces an amazing “1K feel” by transmitting more of the high frequency vibrations needed to feel the true quality of impact. Constructed utilizing the new dual-phase XLINK Tech Resin System for a carbon-rich structure that is both stronger and more responsive. Boron fiber in the tip caps off this exceptional design. Available from 50R to 80TX, giving a wide range of players the opportunity to play a super premium 1K shaft. Technology 1K Fiber 1K Fiber is 3 thinner than Carbon Kevlar creating a tighter more consistent weave. XLINK Tech Resin System XLINK Tech Resin System creates a carbon-rich structure that is stronger and more responsive. Boron Boron Fiber is equivalent in stiffness to high modulus carbon fiber with superior compression strength.As a result,Boron Fiber is often utilized for structure reinforcement most notably in military application.スペックTENSEI™ Pro White 1KShaftFlexLengthWeightTip O.D.Tip LengthButt O.DTorqueKick PointTENSEI™ Pro White 1K 50R46""54g0.335""3.0""0.598""4.6°HIGHTENSEI™ Pro White 1K 50S46""56g0.335""3.0""0.601""4.5°HIGHTENSEI™ Pro White 1K 50X46""59g0.335""3.0""0.601""4.4°HIGHTENSEI™ Pro White 1K 50TX46""61g0.335""3.0""0.601""4.4°HIGHTENSEI™ Pro White 1K 60R46""60g0.335""3.0""0.596""3.8°HIGHTENSEI™ Pro White 1K 60S46""62g0.335""3.0""0.602""3.8°HIGHTENSEI™ Pro White 1K 60X46""65g0.335""3.0""0.603""3.8°HIGHTENSEI™ Pro White 1K 60TX46""67g0.335""3.0""0.603""3.8°HIGHTENSEI™ Pro White 1K 70S46""71g0.335""3.0""0.604""3.4°HIGHTENSEI™ Pro White 1K 70X46""75g0.335""3.0""0.607""3.3°HIGHTENSEI™ Pro White 1K 70TX46""76g0.335""3.0""0.607""3.2°HIGHTENSEI™ Pro White 1K 80S46""82g0.335""3.0""0.626""2.8°HIGHTENSEI™ Pro White 1K 80X46""84g0.335""3.0""0.626""2.8°HIGHTENSEI™ Pro White 1K 80TX46""86g0.335""3.0""0.626""2.7°HIGHFittingDriver Speed (mph)/Driver Carry (yds)<80/<21081-90/210-23091-105/241-259>106/>260TENSEI™ 1K Pro White 50RSX/XTTENSEI™ 1K Pro White 60SX/XTTENSEI™ 1K Pro White 80X/XTTip Trimming InformationDriver(yds)3 Wood5 Wood7 Wood>9 Wood0""0.5""0.75""1.0""1.0"""