Product details:

Retractable Double rung locking mechanism This marine-grade aluminum ladder is perfect for easy and stable access to the water. 665-lb. capacity. Wide-step ladder features 4"-wide rounded steps for more stability and comfort. Steps are 20" from side to side; 12" between each step. Handles are 14" from edge of dock, 20" high. br br Retractable ladder slides up above the water line to prevent marine growth. Double-rung locking mechanism keeps the ladder stable when climbing out of the water. Mounting hardware not included.