Thanks Britt. What have you seen with spin number comparisons between the two, generally speaking of course.
Currently have 5-P TS1 IM, mid irons are great, looking to replace the 8,9,P with Ts4's for a little extra versatility. Will I be able pull shafts from the IM's throw 'em in the Ts4's and not worry about...
They came from Adams Golf A-tour heads, built circa 2006. I just took out a set of Mizuno MP-33 irons same spec same DG S300 from the same period, and they felt just as bad.
This may be a silly question, and likely to have been answered, but here it goes. I ordered TSI IM heads with the idea of using S300 shaft pulls to save me a little money. Shafts were originally 1/4”...