This base is called the "Pedestal" base and has two parts. The bottom base is a 7" round base that is not slotted and add to that a 5" slotted base that is permanently attached to the bottom base. The thickness of each piece is 3/4" for with a total 1-1/2" thickness.
This base is available in mubltiple wood types-images are the base in cherry wood.
