The 324 Hand Operated Stool with Curved Ratcheting Body Support is  premium line stool seating. The vertically adjustable curved body support ratchets inward and locks, and releases outward to exit. This stool has a chrome base for a more polished appearance. Seat height easily adjusts to your most comfortable working position using a hand lever. Dual wheel casters make it easy to maneuver quietly over all types of surfaces without damaging or marring the floor. Treat yourself to a soft and supportive seat with  premium line of seating.