Front Runner Strap-On Feet cargo carrying roof rack kits come in various sizes and easily mount to most vehicles with existing factory/OEM roof rails. This kit includes 4 locking Strap-On Feet and a 1255mm (W) X 1358mm (L) Slimline II Tray. 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 Dometic racks are backed by a 5‑year warranty*The rubber coated steel strap of the Strap-On foot adjusts to fit factory rail diameters from 0.79''/20mm to 2.68''/68mm.Each Front Runner Strap-On foot locks to your vehicle and can only be opened with the supplied keys.NOTE: If you need help determining the correct size Strap-On Roof Foot Rack kit for your vehicle, please contact us.