The Chevrolet Silverado and GMC Sierra 2007 through 2014 Aluminum Rear Cargo Rack is a practical and durable solution for your truck's cargo needs. With its proprietary heptagonal formed tube construction and aluminum construction material, this cargo rack offers strength and reliability. It comes with 4-inch vertical lumber stops, sold individually, to secure your cargo effectively. Designed to be weather resistant, this cargo rack fits most Chevrolet Silverado 2007-2014 models with 5 1/2, 6 1/2, or 8-foot box beds, as well as most GMC Sierra 2007-2014 models with the same box bed sizes.