The Ergonomic Worker Seat allows individuals to go from a low crouch position to a standing position. The seat height can be adjusted by moving the seat and hooking in to the horizontal bars located on the chair frame. The unit has four rubber shocks under the seat base that allow the seat to tilt forward, left, and right so it can accommodate your body movements. The front tilted position of the seat helps the user maintain the natural posture position of the spine. Features. Go from a low crouch position to a standing position. Move the seat and hook it in to the horizontal barsSpecifications. Size 13 to 26 in.. Country of Origin Japan. Weight 17 lbs