Last I herd ryobi was making craftsman routers. Screws that hold the plate on are not always in the same place. Universal parts have slots for the screws. I bought one of those small craftmen table one time and started setting up. I set it on top of a table and then started figure how to hold it there. An hour later I had the router built into the table and to hell with the junk. I bought an extra base for the router so I one bolted in the table.
Next time by Porter Cable.