All-purpose heavy-duty stool for the toughest environment. Heavy enameled tubular steel base, high-density 2 1/2" foam seat is larger than average for additional comfort. Adjustable back and backrest. Manual seat height adjustment from 26 1/4" to 31 1/4". Swivels 360 degrees. Stool exceeds all quality requirements of regulated furniture specifications (ANSI/BIFMA Standards).