This kit creates a full-size rack that sits above your Ram's load bed when fitted w/OEM bed rails and RamBox. This Slimline II cargo carrying rack kit contains the Slimline II tray (1255mm x 1358mm) and 6 Pickup Truck Bed Universal Legs that fit into the existing factory/OEM bed cargo rails. All Front Runner Rack Kits contain installation instructions as well as all the components needed to mount the Slimline II Tray to your vehicle. All Front Runner Racks are backed by a Limited Lifetime Warranty* Note: Not suitable with OEM bed cover installed.