VEVOR Van Roof Ladder Rack, 2 Bar Alloy Steel Ladder Racks, Adjustable from 47.2"-78.7", 500 lbs Capacity, Roof Rack Compatible with Full-size Vans with Rain Gutter, Chevrolet Express, GMC Savana, etc500 lb Loading CapacityRust and Corrosion ResistanceWide Range of ApplicationsEasy InstallationFirmly FixedNo Sharp Corner DesignHeight Range: 6.3-7.7 inch/160-195 mm,Mount Type: Install on rain gutters,Item Model Number: BYCD-004,Length Range: 47.2-78.7 inch/1200-2000 mm,Quantity: 2 pcs,Max. Capacity: 500 lbs/227 kg,Net Weight: 19.6 lbs/8.9 kg,Product Size: 49.2 x 14.6 x 5.1 inch (1250 x 370 x 130 mm)