Using the FST90 “A” flex shaft, with a 7 – GW set, IR20 trim code for 7 iron says 2″ tip trim.  How will the flex be affected if the 7 iron starts with a ZERO inch tip trim.  The raw shaft frequency is 286.25 cpm.  Any help is appreciated.  Thank you!

Britt Lindsey Answered question February 7, 2024