VEVOR Boat Ladder, 4 Steps, Stainless Steel Telescoping Folding Swim Deck Ladder for Rear Entry Inboard, 600 lbs Capacity with Wide Anti-Slip Steps & Handrails, for Outboards, Yacht, Pontoon Boats

Top hoop width: 12.4 in / 314.6 mm Inner width: 12.3 in / 313.4 mm Upper spacing: 12.4 in / 314.6 mm Hoop spacing: 14.4 in / 365.4 mm Vertical frame section: 16.1 in / 408 mm Folded height: 44.9 in / 1140 mm Extended height: 52.4 in / 1330 mm Step spacing: 11.2 in / 285 mm Bottom width: 9.0 in / 228.6 mm Tube diameter: 1.4 in / 36.5 mm