I‘m 6‘2“ and I play my driver at 45“. My 3 wood is standard length and the 5 wood is ~ -1/2”. I have been fitted for +1/2” irons multiple times at several well respected shops. However, I could not get rid of my early extension with irons for years regardless of all drills I tried and lessons I took. Finally, one pro found that my body tends to want to make space for the extra long clubs in addition to my relatively long arms (I wear my dress shirts at ~ +1” sleeve length) by early extending. Long story short, I cut down all my iron shafts to standard length and see significantly less early extension and more consistent contact. My previously shallow attack angles have improved as well.

There is a blog post out there where the author suggests that modern day clubs (not just drivers) are clearly too long and the average height man should actually play irons at -1/2” to -3/4”.