The Metro™ Extended-Height Chair is a drafting chair with a form-fitting contoured back and thickly cushioned seat and back. The chair comes with a sturdy aluminum 26" diameter, five-star base with chrome finish and a 10-inch height range adjustment. The swivel mechanism with adjustable back tilt accommodates users of all sizes, and two-tone dual carpet casters provide great mobility. Features an optional adjustable arm set offering 3" height adjustment range (3495BL, order separately).