sdandrea1 I'm going to go with 5-W based on the Internet Archive of Golfworks site :
https://web.archive.org/web/20040604155617/http://www.golfworks.com/item_disp.asp?pn=TX90WS
Shortest shaft is 37" which I assume is a W shaft; going up from there leads me to 39.5" for a 5-iron.
What's a couple of soft steps among friends?