Although the Model 540 is the most economical in the 500 Series, it incorporates all the standard features that make Reliance Hydraulic Surgical Stools world famous for comfort and efficiency. The 15' diameter seat is constructed of high-density, 2" poly-foam. A cushioned backrest may be added later.
Five-legged, 19.75" diameter base
Seat height range is 21" to 28.5"