Bar Stool /Table Chair with backrest; hydraulic.
Also rotates.
Seat is on chrome silver pole, with lever and hidden piston (i.e. goes up and down, by use of air pressure).
Black vinyl seat and back rest. See photo.
Current model from Home Outfitters. Paid $129+tax.
Used occasionally by single adult owner in condo.
Non-smoking, pet-free, child-free household
As new!
$50
Reason for sale: moving to different place.