1938 chevrolet radio Antenna Adapter

[44287c]

1938 chevrolet radios, other years as well have an adapter that fit in the radio so that an antenna will fit into it, unlike the antennas we have today, they just push into the back of the radios , on the older models there was an adapter that would fit in and turn to lock like a light bulb base, then the antenna would fit into that, This is what I am looking for, Brad