Made for use with Thule® square load bars, the Thule® End Caps keep sharp edges covered and load bars in great condition. Designed to prevent rust and eliminate noise during travel, these end caps offer convenience, while adding a sleek design to your roof rack system. The pack includes four end caps. FEATURES: Includes four replacement end caps For use with Thule® square load bars Prevents rust from getting inside the load bar Helps reduce wind and noise during travel Keeps sharp edges covered