Whether you already have a TradeSport Truck Rack and want use of your Tonneau Cover or if your looking to get one and you want to continue using your cover, this product is the perfect solution. As an optional accessory for the TradeSport MPG920 Truck Rack (not included), the TradeSport Tonneau Cover Adapter Kit substantially enhances its utility. This custom adapter kit allows the use of the truck's tonneau cover while still providing a secure base to mount the truck rack. It easily attaches to the MPG920 Truck Rack, providing reliable stability. Additionally, our lifetime limited warranty underscores its enduring quality and performance, all while maintaining an affordable price point. Bow and stern safety tie-downs are required for all Malone rooftop transport(s). Failure to correctly install and use safety tie-down lines voids all warranty and liability. Carefully review instructions and register your warranty prior to first time use. What's Included: (4) Mounting Plates (1) Bed Rail Gasket (8) Mounting Brackets (1) Hardware Kit (1) Instruction Manual.