The Model 3555 Sit-Stand Stool by Bevco is designed to support an active working posture, allowing users to lean comfortably while standing to reduce fatigue. It features a heavy-duty black polyurethane seat that resists water, oil, and chemicals, with a durable, easy-to-clean surface. The stool includes pneumatic height adjustment from 22" to 32", a polished aluminum 5-leg base, and mushroom glides for smooth mobility. It supports up to 350 lbs and provides stability and flexibility for industrial and workspace environments.