Set of 4 load carrier feet for Thule Aerobalde, WingBar, Roof racks (load bars sold separately) Description: Foot installs easily onto vehicles with raised railings Fits: Major Roof Racks Cross Bars Includes 4 load carrier feet with 4 keys for the locks and one long L Key . Universal design with a big clamp opening to be compatible with many vehicles with raised side rails of different shapes; round, oval, square. One set and be used on many applications Feel confident during travel with the crossbars locked and secure on your vehicles side rails. (Load Bars not included)