Thanks for reminding me about Cornwell, JP. I haven't checked their website in years (it wasn't at all helpful back then).
Unfortunately, they don't have a 1/2" adapter, just 1/4" and 3/8".
Don, no, I haven't broken any. Mainly, I'm just trying to find a 1/2" adapter.
I have USA made 1/4" and 3/8" adapters from
Snappy Tools. (yes, that's Snappy not Snap-on)
pc.