This kit creates a full size rack that sits above your Toyota Tundras (2007 + w/OEM bed rails) load bed. This Slimline II cargo carrying rack kit contains the Slimline II tray (1475mm/58.1'' (W) x 1358mm/53.5'' (L)) and 4 Pickup Truck Bed Universal Legs that fit into the existing factory/OEM bed tracks. Drilling is required for installation.