Our ergonomic polyurethane stools feature a 360° all-around adjustment ring that can be operated from any position. These stools are constructed from our rugged polyurethane that is self-skinning, chemical- and puncture-resistant, and fully washable, and feature your choice of chrome-hooded casters or black glides on a polished cast aluminum base. Medium and High Bench Heights come with optional 18-inch diameter chrome foot ring. Each ergonomic stool is backed by our 15-year warranty, lifetime on the pneumatic cylinder. This stool is available in desk, medium, or high bench height.