Built to Last: Van roof rack is made from ultra-strong carbon steel with a protective white coating, resists rust and corrosion, ensuring durability in all weather conditions 800lbs Load Capacity: Each crossbar can support at least 250 lbs, making it perfect for carrying heavy ladders, pipes, and construction materials More Secure and Stable: Ladder rack for van comes with ladder stopper, nylon strap, tie-down holes that will keep ladders, pipes, and tools firmly in place during transit, more stable and safe Reduce Friction: Soft pads on the crossbars will minimize wear and improve slip resistance. Meanwhile rubber pads and top rubber caps can effectively reduce wind noise and vibration during driving Perfect Fit: Cargo van roof rack fits for Mercedes-Benz Sprinter high roof 144"/170"/170"ext. This rack requires to be installed on sprinter roof tracks. This package doesn't include side tracking rail! MELIPRON 800LBS Van Roof Rack, Steel Ladder Rack for Van Fits for Sprinter High Roof 144"/170"/170"ext 3 Crossbars