This is a Management Desk Chair designed by Richard Sapper, originally introduced for Knoll in 1979. This particular example dates to 1996. It features grey leather upholstery with a polished aluminum five-star base and integrated tilt mechanism and pneumatic lift. The listed price includes one chair and there are more than 14 available to purchase. The chair measures approximately 27 inches wide, 24 inches deep, and 36.5 inches high, with a seat height of 17 inches. The leather upholstery shows light wear such as creasing and small scuffs, consistent with use and the base also shows light wear. Overall, the chair is in good condition. Please see photos.