Callaway Hawk Eye VFT vs Callaway Big Bertha Fusion

Side-by-side factory specifications. Differing values are highlighted.

Callaway Hawk Eye VFT2002–2004 · Game Improvement Ironscast titanium with Variable Face Thickness and tungsten weighting · titanium / tungsten Callaway Big Bertha Fusion2004–2006 · Game Improvement Ironsmulti-material (titanium face cup, tungsten-loaded polymer core) · titanium / tungsten / polymer

Specification comparison

Club	Hawk Eye VFT loft	Big Bertha Fusion loft	Hawk Eye VFT lie	Big Bertha Fusion lie	Hawk Eye VFT length	Big Bertha Fusion length
1	16	—	58.5	—	40	—
2	18.5	18	59.2	59.2	39.5	39.5
3	21	21	59.9	59.9	39	39
4	23.5	23.5	60.6	60.6	38.5	38.5
5	26	26	61.3	61.3	38	38
6	29	29	62	62	37.5	37.5
7	33	33	62.5	62.5	37	37
8	37.5	37	63.5	63.5	36.5	36.5
9	42	41	64.5	64.5	36	36
PW	46.5	46	65	65	35.5	35.75
AW	50.8	51	65	65	35.5	35.5
SW	55	56	65	65	35.5	35.25
LW	60	60	65	65	35.5	35

Highlighted cells differ between the two sets. Lofts and lies are factory standard.

Which should you choose?

The Big Bertha Fusion is the stronger-lofted set — up to 1° stronger than the Hawk Eye VFT on matching clubs. Expect longer carry per numbered iron but a flatter descent angle; gapping at the wedge end is where that shows up.

Both charts are reproduced in full on their own pages: Callaway Hawk Eye VFT specs and Callaway Big Bertha Fusion specs.