The Chevrolet Silverado HD and GMC Sierra HD 2020 and newer aluminum rear cargo rack is a practical and durable solution for your truck. With its proprietary heptagonal formed tube construction and aluminum material, it offers excellent strength and weather resistance. The rack includes 4-inch vertical lumber stops, sold individually, making it easy to secure your cargo. Designed to fit most Chevrolet Silverado HD and GMC Sierra HD 2020 and newer models with 6 3/4 or 8-foot box beds, this cargo rack is a reliable and versatile addition to your truck.