Thule Hull-a-Port Pro Rooftop Kayak Carrier Proven J-style kayak carrier creates more room on the load bar PFD lever (pull, fold, done) for rapid folding and improved overhead clearance New J-profile for easy boat loading and includes quick on-and-off hardware Includes two ratcheting bow and stern tie downs and two straps with buckle protectors for safe boat transport Fits Thule rack systems, round bars and most factory racks