The TUWA Pro 4CX Shiprock Bed Rack System was modularly designed to handle and transfer cargo in your Pick up truck.Offering great versatility with different configurations and height adjustment options at 17" 20" or 23" (measured from the bed rail). Maximizing your truck’s hauling capacity and provides multiple tie-down options for securing and carrying various cargo items. Comes with all the necessary mounting hardware for a no-drill or modification installation. Made with carbon steel and painted trough the cataphoresis coating finish process to provide extreme protection and resistance, this model offers ultimate strength and performance. Rated Capacity Evenly Distributed (Static) 800 Lbs. / Dynamic Capacity 300 Lbs