Pneumatic Stool w/o Back w/5-Leg Base Foot-Activated

Hands-Free Stool * Foot activated height control * Contemporary styling * 5-leg cast aluminum base * Firm polyfoam padding * Soft roll  dual wheel  hooded casters * Pneumatic cylinder height adjustment * Premium  stain-resistant  woven  knit-backed  vinyl upholstery * 24  black powder coated aluminum base * 4  thick round seat * 250 lbs. load capacity under normal use * 5 year limited warranty * Seat diameter 16  * Base diameter 24  * Height Range 19.5  - 24.5