Sorry it took so long
but our supplier got a new metal polisher and wanted to try it out on these.
They are $22/pair and fit all cars with our rectangular tail lights. (Nuts and lockwashers included.) Note that there is no left and right. All our tail lights have their studs in the 1pm/7pm positions. Installs in 2 minutes with a 3/8" socket.
I've got a couple of names in the queue already: Jack B, Joe L.
Call or e-mail (eracars<at>sbcglobal.net) if you're interested.