Alloy Steel Van Ladder Rack: Made of durable alloy steel, each single ladder roof van rack can bear up to 250 lbs, while two van racks can bear a total of 500 lbs. The robust construction provides powerful support and is resistant to deformation. It's the perfect solution for transporting long materials such as ladders, lumber, pipes, and kayaks on the roof of your van. Highly Compatible: Our van ladder racks are highly compatible and can be adjusted to fit various vans with different widths and roof cambers. The extendable length range is from 47.2" to 78.7", and the height is adjustable between 6.3" and 7.7". The flexible design makes our van rack suitable for full-size vans with rain gutters, including Chevrolet Express, GMC Savana, and Ford E Series. No Drilling Required: Assembly is simple and can be done using basic tools. You can install the roof ladder rack on the rain gutters easily without requiring drilling operations. Clip type construction, quick and easy to install/remove with just one bolt. And our van ladder rack comes with thickened and tight packing to ensure no accessories are lost during transportation. Excellent Rust Protection: Unlike other roof ladder racks on the market, our upgraded roof ladder van rack uses a galvanizing process that adds an extra layer of protection, making it more resistant to rust and corrosion. Firmly Fixed: Our roof van racks come with side rope hooks, allowing you to securely strap down your belongings (straps not included) and ensure they stay in place during transit. No need to worry about noise or roof vibration while driving.