GRADUATED STEP SIZE FEELS LIKE A STAIRCASE IN YOUR POOL! Extra wide anti-slip steps for sure footing. Bottom step is 9.5 inches deep, top step is 6.5 inches deep; steps in between decrease gradually in depth to provide more of a staircase feel as you climb out of the pool. It includes all necessary mounting hardware. 300 lb. capacity and can be installed on any above-ground pool deck. Should be use with flat bottom pools up to 52 in. deep.