With this set you get both a three step ladder and a four-step ladder depending on which one you prefer. This boat ladder is made of high-quality stainless steel and has three steps, making it perfect for getting onto and off of your boat. The ladder is designed to be in-board and telescoping, making it easy to store and transport. It also comes with a 90-day manufacturer warranty, ensuring that you have a reliable and long-lasting product. The ladder is made by East-Auto and has the manufacturer part number EA1420664SU. This product is perfect for anyone looking for a durable and convenient boat ladder. Also, see the last two photos. The four-step ladder is a little bigger around it's stronger than the three-step ladder. But you get both with this deal so you can decide which one so you can go how deep you want to go with it