4-step folding ladder anodized aluminum withmounting hardware.Folds up for easy storage. Durable, lightweight anodized aluminum. Large, angled steps for climbing comfort. Anti-skid tread for safety. Easily attaches to dock with J-hook hardware (included). Stainless steel assembly hardware. Step Height - 12". Step Depth - 5.25". Handle Depth - 15". Steps - 4. Dimensions - 4"L x 61.75"H x 18"W.