Executive high-back chair offers high performance and comfort, Functions include pneumatic seat-height adjustment from 16-1/4"" to 20-1/4"" high, back-height adjustment, 360-degree swivel, tilt, tilt tension and tilt lock, Arms adjust in height and width, Outer back is upholstered, Executive high-back chair also offers a five-star base with casters for stability and mobility, Weight capacity is 300 lb, Seat size is 19"" wide x 20"" deep, Usable seat depth is 18-1/4"", Back measures 19"" wide x 24-1/2"" to 27-1/2"" high, The distance between the arms is 16-7/8"" to 19-3/8"", Chair is certified by SCS to be in compliance with specific, indoor, air-quality emission requirements and meets or exceeds applicable ANSI/BIFMA standards, Chair is available in black frame only, SKU: SPRCH33206