Sport Rack Car top carrier designed to be used without the need for a roof rack system for infrequent use. Fits most vehicles without a roof rack system using the appropriate Hook Kit that fits your vehicle... it will be secured to the door frame of your vehicle. The kit for your car can be purchased at Canadian Tire. Also fits most roof rack systems with crossbars using a U-Bolt Kit (not included) also at Canadian tire. Carries about 100 pounds. Used only once out to Alberta and back. Has one key and is in good shape. Has been in storage.