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Specifications of Callaway Big Bertha 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.

About the Author

Martyn Wood started writing professionally in 2009. He has had work published for Eurosport, Sky Sports.com and Made Up Media. Wood holds a Bachelor of Arts in sport journalism from the University of Brighton and a Master of Arts in multimedia sports journalism from the European University of Madrid.