We ordered four of these bar stools.  They are highly durable, support way more weight than they are listed at (we have had two or three 350+ pound people sit on them and it appears they did great.  They are stable, big base (could be an issue for some people), easily adjust and hold the position well.
The only reason for taking off one star is that the first time one of sat on one of them, the cover on one of the "buttons" came off.  We now make sure we stand up when getting off the stool instead of kind of sliding off.  Minor quality flaw.