Callaway Big Bertha Irons Sand Wedge

By Darin McGilvra

The Big Bertha Irons sand wedge (55 degrees) is a golf club made by Callaway Golf. It is a part of the Big Bertha Irons set and has a distinctive red Callaway logo on the back of the club head. The set is designed so the clubs have consistent distance separation throughout the set with the best possible trajectories. Though it has since been replaced by the Big Bertha OS line of irons, the Big Bertha Irons sand wedge is still available on the secondary market. 

Club Heads

The club heads on the Big Bertha irons are designed with Callaway's Extreme Notch Weighting. This redistributes the weight to the toe and the heel of the club head in the back and down low. This is done to give the club a high Moment of Inertia, which gives you better distance and accuracy on mishits.

Club Face

The Big Bertha irons have a club face constructed with Variable Face Thickness Technology. This lowers the center of gravity in the club head by varying the thickness of the face between 0.5 mm and 2.5 mm. In the sand wedge, this has the effect of providing an improved trajectory height.


The hosel is the small joint that connects the club head to the shaft. The Big Bertha hosels are short, straight and hollow, which allows the weight to be distributed lower and to the perimeter of the club, where it is more useful. The hosels on the Big Bertha irons also are designed with Callaway's Tru-Bore Technology, which allows the shaft to extend through the hosel and club head to the sole. This is done to improve control and feel by moving the end of the shaft closer to the middle of the club face.


The Big Bertha sand wedge has an angle of loft of 55 degrees and an angle of lie of 65 degrees. It also has a bounce angle of 11 degrees and a swing weight rating of D3. Big Bertha sand wedges with a senior flex, which is also known as a light or amateur flex, are only available with graphite shafts, which are 35.25 inches long. They have a low to mid torque rating and a low kickpoint.


About The Author

Darin McGilvra is a writer in Southern California. He has been a writer since 1997. He worked as a sports writer and copy editor for newspapers for more than 12 years before becoming a freelance writer. His articles have appeared recently in "The Californian" newspaper in Temecula, Calif. McGilvra holds a Bachelor of Arts in mathematics education from Northwest Nazarene College.


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