With Ignition Series Stools, you can have an all-in-one solution that's right for just about any situation. Ideal for sit-to-stand environments, this swivel task stool provides the seating options you need. Comfort features include an adjustable-height footring, full back, fabric-upholstered seat and arms that adjust in height up to 11" and in width up to 19-1/2". The quick-adjust back height gives you tailored lower back support and ranges from 20-3/4" x 23-3/4" high. Back width is 17-1/2". 26" diameter five-star base is made of plastic and equipped with dual-wheeled casters for easy mobility. Adjustable footring and 360-degree swivel allow movement in any direction. Pneumatic seat-height adjustment ranges from 23-5/8" x 23-3/8". Stool supports up to 300 lb. Seat measures 19" wide x 17" deep.