This mod have sword expansion from the Realistic Battle Combat module to the game. There are a lot of them, and they're all marked with the unique identifier so that you know which ones are which. There are also instructions for crafting them, as well as for adding them to your inventory.

There are over 600 pieces to use, and they can be added to your inventory by simply copying and pasting the XML file into the appropriate place. There is also a set of instructions for installing the new files, which you can find in the file itself.

It will also show you how to craft the new swords, and how to add them to your inventory.