These gray pedestals are available in a few heights and widths, please see below.

8 x 8 x 15" tall - $135
8 x 8 x 19" tall - $165
8 x 8 x 23" tall - $185

12 x 12 x 15" tall - $185
12 x 12 x 19" tall - $210 (sold out)
12 x 12 x 23" tall - $265