EI Profiling
Traditionally, golf shafts were, and still are, described with weight and stiffness ratings. Weigh is specified in grams. Stiffness is a letter, L, A, R, S, X or a number, 5.5, 6.0. 6.5. That tradition remains on most golf shafts to this day. When I learned club fitting many years ago I was introduced to …








