Maximum-capacity box has room for plenty of extra stuff. Dual-side opening for easier loading/unloading from either side of the vehicle Quick-Grip™ mounting system for fast, easy, tool-free installation and removal SecureLock™ ensures that all gear is locked, and box is properly closed prior to driving 2 One-Key™ locks secure box contents and lock the box to the roof rack 74" X 36" X 16.5" Vehicle Disclaimer Requires THULE® Removable Rack and Crossbars. For use with SuperCab or CrewCab only.