Denny,

The words were not mine (as indicated by the "" "").

On Jim Carter\'s site , in "Tech Tips" (menu on the right of his main page); select the picture of the "1947-55 Catalog" cover; select "Misc"; then, finally, select "Screw On ID Plates").

Here is the photo that Jim Carter shows:
[img]http://www.oldchevytrucks.com/images/tip_pics/id_plate_screws_small.jpg[/img]

You cannot see the hexagonal perimeter too well but you can see the clutch-head indentation.

Tim