Doctor's office stool 21520B, 21521B

height-adjustablewith backreston casters

Premium specialty seating with ergonomic design. Five-leg base for overall support 18.5″ wide contour poly-foam seat cushion for maximum comfort Adjustable contoured backrest 18″ foot ring Millennium Series Stool Specifications: 18.5″ (47 cm) wide contoured seat cushion Adjustable contoured backrest with black plastic shroud Pneumatic height adjustment: Glides: 20.75″ – 31″ (52.7 cm – 78.7 cm) Casters: 21.75″ – 32″ (55.2 cm – 81.3 cm) 2″ (5.1 cm) dual-wheel nylon casters with polyurethane tread; locking caster optional; glides available Ergonomic design; seamless upholstery standard 18″ (48.7 cm) foot ring standard 23″ (58.4 cm) five leg powder coated black aluminum base 55 standard upholstery colors Weight capacity: 250 lb (113 kg) Standard 5 year warranty