What is the height of the Rhino II Step Stool and Rhino II Tall Step Stool?

The dimensions of the Rhino II Step Stool (ZZ-12-BK, ZZ12-G, ZZ12-R, ZZ12-W) are:

Closed- 11.75" x 12.25" x 1.25"

Open- 11.75" x 10" x 8"

The dimensions of the Rhino II Tall Step Stool (ZZ14-BK, ZZ14-WH) are:

Closed- 15.5" x 19.75" x 1.75"

Open- 15.5" x 16.75" x 13"