CB tool needed

Hey: guys.

I'm trying to get to the on/off switch in my Uniden PC122xl
to clean it with contact cleaner but can't get to it.

I have to remove the mic jack nut in order
to separate the pc board from the front of the radio.
There are screws on the board too but that's not a problem.

Anyone ever seen a tool to remove the jack nut that holds
the 4 pin mic jack in place ?

I have removed a few in the past by tapping with a nail or small
screwdriver & hammer but if you slip you scratch the...

CB tool needed