I'm going out on a limb here and assuming Lurker's right about the idfile field being 30 chars long
Just updated my editor to handle up to 30 characters for the visuals ..
http://www.geocities.com/kaiyodouk/
I've fixed a couple of major bugs in it too. One would cause the changing of values to affect other values (a bug caused 4 bytes to be written for every number size), another would cause a failed upload to the database if you'd selected the item from the search page rather than the item list. Oh, and the password field is now ***'d out
I'm not sure if someone's already done this, but I can easily get hold of a list of all of the possible IT values (they're not all numbers, e.g. IT1K15GLOVE). I've been messing about with .wld files for a model viewer I'm writing and found all of the weapon model entries. I'm not going to attempt to describe what they all look like, but I can generate a list of all the possible ones if that would be of any use.
K.