The Brewer Ergonomic Task Stool has the most sophisticated ergonomic design of the Millenium Series. This model offers arm rests and a fully adjustable forward seat tilt. The adjustable backrest comes with synchronized traversing movement of the seat. Optional locking casters available. This versatile model can be used in a variety of office and clinical situations. PRODUCT BENEFITS Five-leg base for overall support 18.5" wide contour poly-foam seat cushion with adjustable forward seat tilt for maximum comfort Backrest and seat movement synchronization offers superb support Available with our without arms 50 standard colors 250 lb. weight capacity 5 year warranty