Seattle Sports Sherpak Boat Roller Kayak and Canoe Roof Rack Load Assister -Easily load your kayak onto your roof rack with the Sherpak Boat Roller. Two heavy-duty suction cups mount the roller onto your rear window or roof top. The support bar has two different angles it can be positioned in to give you the best angle for loading, and the foam rollers protect the hull. Like a second pair of hands, the boat roller assists in loading your kayak, canoe or boat onto your existing rooftop carrier. With levers to lock the suction cups into place, the boat roller can be installed and removed quickly. Spend time in your boat, not struggling to get it on your car! This personal boat-loading assistant eliminates the battle for solo car-top boat loadingHeavy-duty suction cups mount reliably to car tops and glass2 mounting angles compatible with most vehiclesClosed cell foam gently cradles boat during loadingDimensions: 6.75in upright H/2.75in 90 degree H x 27in WModel: 35515