We have had this for a few years - it’s very sturdy but my husband did have to add extra screws to the top shelf to stop it from moving - it’s been outside (Arizona) and still looks great
31.75” to potting shelf it’s self. Not including the top shelf.
It is not teak, is lightly built, I do not recommend.
Here is a video I took since it won’t accept pictures. It’s just under 7 7/8” or to be safe, under 8”. I hope this helps. I’m very happy with my potting bench!