Our ergonomic vinyl stools feature a 360° all-around height adjustment ring that can be operated from any position. These stools offer several customizable options, including your choice of casters or glides on a nylon-reinforced fiberglass base, and over 65 antimicrobial/antibacterial standard and custom vinyl color configurations. Optional foot rings are available in 18 ¼-inch diameter, black, nylon-reinforced fiberglass or 20-inch diameter chrome on medium or high bench heights. 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.