only what is shown is included
Not sure of model # , these seem to be rare as I could not find others .
Allows 3 pin Astatic mics such as D104 to be attached to a mic stand post (this unit has female threads on the stand end and with 3 pin amphenol style jack on other end)
Wire has dryrot cracks in rubber, see pict.
You may need to rewire according to your mic/radio
approx 4 ft cable
Chrome is nice, no pitting , some minor signs of use or scratches, fingerprints etc