The Thule Hull-A-Port 834 features two protective cylindrical cushioned pads on the top tubes, bow and stern tie-down ropes and straps with a redesigned buckle protector. The Hull-a-Port 834 fits Thule square, Aero, Yakima round as well as most factory installed cross bars. The 834 is easy to transfer from vehicle to vehicle with its universal mounting system. Sold as a pair which will accommodate 1 kayak.