OlPal Gary

Need Your help in finding Info for these shafts

1st one is a .370 41″ Iron Shaft with 13 1/2 parallel sect  & 13 steps  USNLIAL

2nd is a wood shaft usnttxl  18 step  13 1/2 parallel sect   48″

3rd is  UYEST -37  shaft

4th is  100693  12 1/2 tip   14 step

All help on Trimming Measurements & Specs on these shaft.   I’m going for a Reg flex

OlPal Gary comment on answer ago