Jobox 574000D 96" Aluminum Topside Truck Box Reinforced Rain Gutter Doors Seal Around Topside Opening to Prevent Leakage or Moisture Heavy-Duty Hinges Provide High Strength Security and Longevity Stainless Steel Rotating T-Handle Pulls the Door Tight Against the Seal Quick Release Coated Aircraft Cables Allow Door to Drop Down 180 Degrees for Full Accessibility Automotive Bulb Weather Stripping Seals Door 360 Degree Made of aluminum Steel support legs are pre-drilled for height adjustment Reinforced rain gutter doors seal Heavy-duty hinges provide high-strength, long term durability