Dee Zee Hex Series Side Rails ? Adds unlimited functionality and style to your truck bed rails. Made of extruded hexagonal aluminum, the protective texture black powder coat prevents oxidation and features our NRT powder coat chemical. NRT (No Rust Technology) is a specially developed coating that increases corrosion protection. The integrated channel allows you to mount accessories anywhere along the channel such as lights (not included). Pick up a set of DZ99700TB tie down anchors with eyelet for attaching cargo straps and fold flat when not in use. Mounts to stake pocket holes and will not fit with a crossover toolbox. Rated for 300 lbs.