Carver 60008 Boat Cover Suppport System Eliminates virtually all possible areas that could collect water and allow it to pool Designed for simplicity with two pre-installed, adjustable 20-foot straps that snap quickly to the rear tow hooks One 40-foot adjustable strap to cradle the bow System fits up to 28-foot boats For pontoon boats, two systems are required and can easily be joined to create a perfect "frame"