The 3 step traditional pontoon or dock ladder is the most popular selling ladder in the marine industry. It has a Satin finish anodized aluminum, no black marks on hands or cloths from untreated aluminum. 1” .072 “fluted” aluminum stock side rails, the strongest ladder available “fluted” aluminum adds strength to the ladder. Steps are big-wide 5 1/2” x 18”, embossed non-skid aluminum, wider-deeper steps are easy on the swimmers feet. Embossed treads on the steps help fight algae. Double bar for strength at major stress points. Rated for up to 400 lbs. Extends 36” below the deck. All hardware and mounting kits are stainless steel no rusty bolts. Comes with mounting hardware standard.