Tremendous perceived value as a 2-for-1 item. Lightweight and flat folding for easy storage and transport; lightweight strong aluminum frame folds to 6.5” flat. 300 lb. weight capacity for stepladder. 250 lb. weight capacity for hand truck. Smooth rolling 4" diameter rubber wheel. Space-age polypropylene, extra sturdy large steps (11” W x 9” D). Ladder capacity rates at Level 1 (”Industrial Heavy”).