This adjustable rolling stool offers smooth height adjustment from 16"" to 22"" with an Sgs-certified pneumatic rod, reducing strain from bending or kneeling. Featuring a 360° rotating seat, 4 universal casters, and a padded seat for comfort, it includes a tool tray with magnetic chassis for organized storage. With a 330 lbs capacity and easy assembly, it s perfect for mechanics and Diy tasks.