With both stands, I am not going to secure the harp to the base, because I still lean the harp back when I sit in a chair. They work pretty well!
Mikel Celtic says they have 10″ optional legs (“not always available”) I think I’d have to order from Pakistan, and I think you have to remove the feet already there- My stand is 11″ from floor to the top
the top part of the barstool left for the Roosebeck 29 measures just over 18″ high.