Easy boarding for swimmers or divers with fins or heavy gear. Steps fold parallel (open or close) in automatic unison and locks. Dual stainless steel center vertical rails for stable support, 7/8" diameter tubing. Compact stowage. Comfortable step - black reinforced nylon with traction molded curved surface. Heavy-duty rated to 400 lbs. boarding weight. Quick release stainless steel mounting hardware included with built-in angle adjustment and breakaway feature.