Incredibly Lightweight Star Package For Maximum Swing Speed and Ball Speed A lighter head, ultra-premium UST ATTAS Speed 40g shaft and ultra-lightweight 30g Golf Pride JL00 grip together create an ultralight package that promotes fast swing speed. Flash Face Technology For Fast Ball Speed Callaway engineers applied learnings from Artificial Intelligence to create a new fairway wood face design that promotes increased ball speed for longer distance. Jailbreak Technology For Fast Ball Speed Our innovative Jailbreak Technology incorporates two internal bars that stiffen the body, placing more impact load on the face for fast ball speed. Forged Carpenter Steel Face Cup For Fast Ball Speed Forged 455 Carpenter steel construction combines with Face Cup technology to promote fast ball speed across the face for distance on center- and off-center hits.スペックNameLoftAvailabilityStandard LengthLieCCSwing Weight3W15°RH / LH42.00"58.00°179C75W18°RH / LH41.50"58.50°157C77W21°RH Only41.00"59.00°147C79W23°RH Only40.50"59.50°142C711W25°RH Only40.00"60.00°139C7UST Mamiya ATTAS Speed Series GraphiteManufacturerFlexWeight ClassTorqueKickpointUST MamiyaWomen's40midlow