The FR-45 clones come in two main sizes the small table and large table. You are looking at the small one.
It looks like it is a bit hard to find the 8 1/2" Y travel but I found one here.
http://www.use-enco.com/CGI/INSRIT?P...PARTPG=INLMK32
I would get the square column and if it wears out you can machine it flat and add LR to it.