Specifications of Callaway Big Bertha Irons

Ely Callaway founded Callaway Golf in 1982. The company became the largest golf club manufacturer in the world in 1996, and its list of staff professionals has included major champions Arnold Palmer, Phil Mickelson, Ernie Els and Annika Sorenstam. Callaway's Big Bertha 2008 irons were the first line to feature i-brid clubs. The i-brid clubs combine the accuracy and control of an iron with the forgiveness and versatility of a hybrid club, offering players an alternative to hard-to-hit long irons.

3, 4 and 5 Irons

The 3-iron has a loft angle of 20 degrees, a lie angle of 60.5 degrees and is 38.75 inches long. The 4-iron has a loft of 23 degrees, a lie angle of 61 degrees and is 38.25 inches long. The 5-iron has a loft of 26 degrees, a lie angle of 61.5 degrees and is 37.75 inches long. All three clubs have a bounce angle of 1 degree and a swing weight of D1.

3, 4 and 5 I-Brids

The 3 i-brid has a loft of 20 degrees, a lie angle of 60.5 degrees and is 39.5 inches long. The 4 i-brid has a loft of 23 degrees, a lie angle of 61 degrees and is 38.75 inches long. The 5 i-brid has a loft of 26 degrees, a lie angle of 61.5 degrees and is 38 inches long. All three clubs have a bounce angle of 1 degree and a swing weight of D1.

6, 7, 8 and 9 Irons

The 6-iron has a loft of 29 degrees, a lie angle of 62 degrees, a bounce angle of 2 degrees and is 37.25 inches long. The 7-iron has a loft of 33 degrees, a lie angle of 62.5 degrees, a bounce angle of 3 degrees and is 36.75 degrees. The 8-iron has a loft of 37 degrees, a lie angle of 63 degrees, a bounce angle of 4 degrees and is 36.25 inches long. The 9-iron has a loft of 41 degrees, a lie angle of 64 degrees, a bounce angle of 5 degrees and is 35.75 inches long. All four clubs have a swing weight of D0.

Wedges

The pitching wedge has a loft of 45 degrees, a bounce angle of 7 degrees and is 35.25 inches long. The approach wedge has a loft of 50 degrees, a bounce angle of 9 degrees and is 35.25 inches long. Both clubs have a swing weight of D1. The sand wedge has a loft of 55 degrees, a bounce angle of 11 degrees and is 35 inches long. The lofted wedge has a loft of 60 degrees, a bounce angle of 9 degrees and is 34.75 inches long. Both clubs have a swing weight of D3. All four wedges have a lie angle of 65 degrees.