This kit creates a full-size rack that sits above your Jeep Gladiator's truck bed with a Fold-Top cover. This Slimline II cargo carrying rack kit contains the Slimline II tray (1475mm x 1358mm), 2 Tracks, and 6 Pickup Roll Top/Top Mount Legs that fit into the Tracks. Drilling is required for installation. 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* Drilling may be required to mount the track to the bed of your truck. See the track and leg installation instructions in the INSTALL tab for further details. Note: If your Roll Top extrusion has a 6mm (0.24'') to 7mm (0.28'') slot opening, you may need RRAC962 for installation.