Lift Ladder Features: 250lb capacity. Distance from the dock to the bottom rung is 2' retracted, or 5' extended. 6063 marine grade aluminum alloy to resist corrosion. All welded construction. Interior hand rail spacing is 17" Plastic coated lifting cables. Heavy pipe framing. Safety tabs limit down travel. Sliding section fully "captured" Can be shipped via UPS. This item is oversize and does not qualify for free freight.