Global Vion Mesh Medium Back Drafting Stool #6328-6. Vion offers a clean transitional design, exceptional comfort adjustments and tremendous value. Vion is a comprehensive seating series offering a family of models to address multiple applications: task, management, conference, guest, heavy duty 24-7, and drafting stools. Series offers Mid and High Back models with either a mesh or upholstered back. Stool is standard with Black Base - Picture shows Optional Aluminum Base. Height and Width Adjustable arms (AS) feature a front to back sliding armcap. Vion is equipped with Global's Soft Descent pneumatic lift which slowly and gently lowers the height of the chair making it easy to obtain the desired position. Upholstered back models will always feature Black fabric (Jenny JN02) on the back side. Black five prong, injection molded, fiberglass reinforced nylon based is standard with C1 dual wheel carpet casters. This product is considered to be a non-stock special order item and is not subject to return.