Prominent High-Back Task Stool, Supports Up to 250 lb, 21" to 28.1" Seat Height, BlackHON Prominent seating is well known for a high level of comfort and style. This high back task stool brings a higher level of comfort to sit to stand and standing height worksurfaces. Height and width adjustable arms and an adjustable footring allow you to fit your chair to your specific needs, which makes this chair ideal for a variety of users and spaces.