Ranger Design's Cargo Rack System with 2 or 3 Bars is a convenient and customizable rack that can be used to haul any materials from plywood and drywall to ladders and 2 by 4s. The included tie down rings can be adjusted to endless locations and orientations to maximize storage capacity and material hauling capabilities. The rack has a 480 (2 crossbar)- 720 (3 crossbar) lb loading capacity and is built with rust free aluminum and stainless steel hardware.