Aluminum Alloy Van Ladder Rack: Crafted from robust aluminum alloy, each individual ladder roof van rack can support up to 200 lbs, while two racks combined can handle a total weight of 400 lbs. With its sturdy construction, the roof ladder rack provides powerful support while resisting deformation. Highly Compatible: Designed to easily adjust and fit various vans with different widths and roof cambers. The extendable length ranges from 51.2" to 81.1"/1300-2060 mm, and the two holes design allow the height to be adjusted from 22 to 25.2 inch. This flexible design ensures suitability for full-size vans equipped with rain gutters.