you're right, not possible
you can hard-step them if you want to stiffen them up a bit (put the 4 iron shaft in the 3 iron, 5 iron shaft in the 4 iron, ......PW shaft into the 9 iron, etc)
you can also have them drilled out to .370 and then put whatever you'd like in them
TLT'd Sticks:
TourSwing TVC 9* Aldila DVS
Wishon 525FD 13.5* Aldila DVS
TourSwing Thunder 18* Wishon Interflexx Hi
SMT Avocet 24* UST Rv2 75
Wishon 770cfe 5i FST Pro 115
Wishon 870Ti 6-7i FST Pro 115
Wishon 560mc 8-AW FST Pro 115
Wishon PCF Micro 54* FST Pro 115
Wishon CX Micro 58* FST Pro 115
Ping G5i B-60 (backweighted)
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