Yakima's burliest crossbar ever, the HD Bar is the one for heavy loads, rugged terrain and maximum utility. It delivers the muscle their new truck racks demand, and works with their StreamLine towers to get the heavy-duty job done right. These burly bars were designed with heavy loads and rugged terrain in mind. The engineered aluminum construction provides superior support without weighing things down, integrated tie-down points to simplify load security, and T-slot attachment technology for adding gear mounts the fast, easy way.