* The blue kayak roller with 2 heavy duty suction cups, put them on the back window, which can suppor you to put your kayaks to the top of the car, load up to 300 lbs. Angle Adjustable: Release the cap nuts, so you can adjust the bracket's angle (0°~180°), then tighten it and make sure it won't strip out. Perfect for loading kayaks to most kinds of cars or jeeps. * 17-1/2 inch width V-shaped bracket, kayaks won't slide out during loading, make sure the rear window have been cleaned up before using so the suction cups get the best grip on the window. * High quality: The kayak load assist is made of steel and with 6 rotate freely nylon bushing to protect the hull during loading, sturdy and long lasting, which is better than the aluminum bars covered with foam may rips within a few uses.