Make it a deluxe! The seat height is adjustable on this workbench chair, and it has a pneumatic lift for workbench and high work table applications. It features a fully articulating seat and back clutch mechanism with one lever control. Contoured back with seat with waterfall edge for comfortable seat all day long. Includes welded steel 5-star base with telescoping dust cover, fixed 18" foot ring and floor glides. Solid molded self-skinned polyurethane seat and back in Black. Some assembly required.