Powerbuilt Heavy Duty Screw Post Style Rolling Seat

Heavy-duty 25mm steel tube frame with flat black finish. Screw style height adjustment. Adjustable from 15.5 in. to 21 in. Ultra soft padding with vinyl cover. Wider base for more stability less tip-over. Oversize 3 in. rubber casters that roll more snag less on imperfect surfaces. 300 lb weight capacity.