The all purpose rack can be used for hauling ladders, scaffolding or lumber. It is also great for weekend getaways. This kit is for a single rack. Heavy Duty Steel Construction Durable Powder coated Easily Bolts onto most flat bed surface Rails Quick and Easy Set Up Less than 15 minutes Easily Removable all purpose Rack Rack width is adjustable from 53 to 68 to fit compact and full size trucks Crossbar Height is 23 1/2 inches from Base Free Up your Truck bed For Bulky Cargo. 2 Inch Diameter Round Tubular Steel minimizing wind noise Easily adjusts to fit shorter width beds 500lb Loading Capacity