Quote Originally Posted by DennyW
Wow, you got it Mike. It has been so long, I forgot about that. I still have to 2 sizes in my box.
I had to look in a dark corner of my tool box - and lo and behold, I still have one that probably hasn't been used in 30 - 35 years. Mine is a ~1/8x3/4 Wright Tool P/N S143.
There used to be a big Snap-On there too, but it seems to have disappeared.