Set the perfect height when sitting or standing. Pneumatic control lift-assist height-adjustable table base. No electricity needed. Durable base recommended for up to 85-lb. lift capacity including weight of worksurface. Movement within a 13" range from 26 1/4" to 39 5/8". Accommodates most common worksurfaces ranging from 59" to 72" width; and 24" to 30" depth. Strong black powder coated steel frame with cross bars provides stability and prevents racking. Adjustable leveling glides to compensate for uneven floors. Base Color: Black; Overall Width: 59.06"; Overall Depth: 28.35"; Height Minimum: 26.18".