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Big Bertha OS Senior Irons

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Big Bertha OS Senior Irons

Product Description

Big Bertha OS Senior Irons are lighter in overall weight, with more loft to promote faster ball speed and higher launch angle to make it easy to get the ball in the air. Get 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.

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.

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PRODUCT SPECS

Big Bertha OS Senior Irons Product Specs

Name	Loft	Availability	Standard Length	Lie	Offset	Swingweight
#4	23°	RH / LH	39.125"	60.5°	0.260	D0
#5	25°	RH / LH	38.50"	61.3°	0.240	D0
#6	28°	RH / LH	37.875"	62.0°	0.220	D0
#7	32°	RH / LH	37.25"	62.5°	0.200	D0
#8	36°	RH / LH	36.625"	63.0°	0.260	D0
#9	39.5°	RH / LH	36.00"	63.5°	0.150	D0
PW	44°	RH / LH	35.75"	64.0°	0.125	D0
AW	49°	RH / LH	35.50"	64.0°	0.100	D0
SW	54°	RH / LH	35.25"	64.0°	0.100	D0