This kit creates a full size rack that sits above your Toyota Tundra DC 4-Door's truck bed. This Slimline II cargo carrying rack kit contains the Slimline II tray (1475mm/58.1'' (W) x 1358mm/53.5'' (L)), 2 Tracks, and 4 Pickup Truck Bed Universal Legs that fit into the Tracks. Drilling is required for installation.