A stool  with a pneumatic mechanism which changes the height fast. It can be used by musicians and it is also a good piece of interior. A stool can be used in a workshop.  It is nice for playing the drum set. Minimal height is 18inches(45cm). Maximum height is 24 inches(60cm). The diameter of the seat is 12inches. Legs and the seat are made of plywood. They are fastened to metal carcass. Subscribe to my shop. I constantly work on making new and unique accessories for musicians