Originally Posted by
hairnet
Can we get a picture? There are many different kinds of old threaded headsets and not all of them use the 32mm. As you have seen, your mechanic had to use a lockring wrench on it. And as Squidpuppet said, some don't even have wrench flats. But you say you want to replace it, so this may mean nothing because a new headset will take the 32mm wrench.
I will take a pic when I get it back from the LBS. They are currently replacing the headset. But I want to be able to do it in the future, and I also have another even older threaded one (1974 Raleigh - project bike) that I will need to service in the coming months.