Beretta.net

I have an 88 beretta with a shifter assembly out of a newer cavalier that has the threaded knob.  I was wondering if anyone knows what size thread it takes.  I don't have anything here to measure it with, or I'd just do that.

I'd take it to Home Depot or something to find a nut that threads onto it.  If it's like the one I had from a '93 GA, it's huge