Hi Donald, Welcone to the forum!
Do you mean 1/4" hex drive, or all hex drive sockets?
Many older ones, like the Bethlehem Spark Plug Co. and Brotool used a hex drive system.
If you look up those 2 in the 'sticky' at the top of the forum page you will see examples. I have a collection of Britool .448 hex drive.