Vintage United Chair Drafting Stool, 1960s, USA. Swivel Drafting / Architects Stool. Adjustable Seat, Height, and Back-Rest. Original Upholstery, Steel Construction With Chrome Plating. Original Owner's Instructions located Underneath of The Stool. Small Abrasion on The Side of The Leatherette Cover. New Upholstery in Very Soft Leather With Memory Foam. The seat height can be set from 65 to 86 cm, the width of the base is 56 cm I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution