"Buyers Products Van Ladder Rack is designed for securely carrying ladders and other large items on utility vans, freeing up your van's inside space. The adjustable rack clamp-mounts to the van's rain gutter and can fit widths of 41 in. to 72 in. to ensure the right fit. The Van Ladder Rack is constructed of white powder-coated steel for excellent strength and corrosion resistance. An optional third bar with clamps is available (sold separately). Please contact Customer Service for further information. "