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Big Bertha OS Irons
Big Bertha OS Irons
Big Bertha OS Irons
Big Bertha OS Irons
*Images shown are representative of the model but may not reflect the exact club purchased

Big Bertha OS Irons

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Big Bertha OS Irons
Product Description
20 Out of 20 Score: Golf Digest 2018 Hot List Big Bertha OS Irons promote more distance in an entirely new way, led by extraordinary light and strong Exo-Cage that allows us to strategically position weight to increase forgiveness, and helps our industry-leading, next-generation 360 Face Cup produce even faster ball speeds and more distance.
Big Bertha OS Irons
  • More Forgiveness and Ball Speed from New Exo-Cage Technology
  • The uniquely light-and-strong design of the Exo-Cage allows more weight to be positioned in strategic locations to increase forgiveness while also helping our next-generation 360 Face Cup technology to function more efficiently.
  • Even More Ball Speed from Next Gen 360 Face Cup
  • Next-generation 360 Face Cup technology elevates clubface COR closer to the USGA limit to produce even faster ball speeds and more distance.
  • Higher Launch for Longer Carry from Tungsten-Loaded Standing Wave
  • Tungsten-Loaded Standing Wave technology in the sole lowers the center of gravity to promote a higher launch angle for longer carry and more ball speed on hits low on the face.
  • Progressive Center of Gravity for Increased Control
  • Progressive Center of Gravity technology entails moving the CG location progressively lower in each head from the highest-lofted to the lowest-lofted, promoting higher launch and long carry in the long-irons and increased control in the short-irons.
PRODUCT SPECS
Big Bertha OS Irons Product Specs
NameLoftAvailabilityStandard LengthLieOffsetGraphite Swing WeightSteel Swing Weight
#4 20.5°RH / LH39.125"60.5°0.260D0D2
#5 23°RH / LH38.50"61.3°0.240D0D2
#6 26°RH / LH37.875"62.0°0.220D0D2
#7 30°RH / LH37.25"62.5°0.200D0D2
#8 34.5°RH / LH36.625"63.0°0.175D0D2
#9 39°RH / LH36.00"63.5°0.150D0D2
PW 44°RH / LH35.75"64.0°0.125D0D2
AW 49°RH / LH35.50"64.0°0.100D0D2
SW 54°RH / LH35.25"64.0°0.100D0D2
TT Speed Step 80 (Steel)
TT Speed Step 80 (Steel) shaft
ManufacturerFlexShaft WeightTorqueKickpoint
True TemperRegular88LowLow
True TemperStiff89LowMid
True TemperRegular85LowLow
True TemperStiff85LowLow
UST Mamiya Recoil ES 460 Graphite
UST Mamiya Recoil ES 460 Graphite shaft
ManufacturerFlexShaft WeightTorqueKickpoint
USTLight (F2)64MidLow
USTRegular (F3)65MidLow
USTStiff (F4)68MidLow
USTLight (F2)63MidHigh
USTRegular (F3)64MidLow-Mid
USTStiff (F4)67MidLow-Mid
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