This kit creates a full-size rack that sits above your Ford F-150?s (2015 +) 6.5′ load bed with roll top. This Slimline II cargo carrying rack kit contains the Slimline II tray (1475mm x 1560mm) and 6 Pickup Truck Bed Universal Legs that fit into the existing roll top 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: If your Roll Top extrusion has a 6mm (0.24”) to 7mm (0.28”) slot opening, you may need RRAC962 for installation. * Note: A maximum driving speed of 130km/80mi per hour should be adhered to, when equipped with a Front Runner Roof Rack or Load Bar kit.