Thule Tracker Kit 2 - The Thule Tracker Kit 2 includes specially designed bases for use with the Tracker II Foot pack. It mounts to some vehicles with factory installed track racks and the base remains on vehicle after rack removal. This base and kit system turns a weak factory track into a dependable Thule load carrier. . Mount Type: Roof, Bar/Clamp: Clamp, Product ID: 21009, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: TK2, GTIN: 0091021432178