X-12
A
s a research experiment, our top CAD designers tried to
duplicate the inertial and modal properties of the Great Big
Bertha Tungsten•Titanium Irons, but in an iron made of only one
material (stainless steel) instead of two as in the Great Big
Bertha Irons. The result is the new Big Bertha X-12 Irons, our
best stainless steel irons ever.
The company:
http://www.callawaygolf.com