Made to add a roof rack system on your truck bed cover (cap, topper, canopy, camper shell, hard tonneau cover, fiberglass cover, aluminum cover, resin cover). Increase carrying capacity by adding space on the roof. The sleek black aluminum tracks offer leg position adjustability to accommodate different length loads. Legs & bars sold separately. Made from lightweight and durable anodized extruded aluminum with an anti-corrosion powder coating for lasting durability and performance. Notches are built into the track ends for easy installation and removal of legs and cross-bars. Rhino-Rack Vortex Bar or Pioneer Platform offers the most expansive rooftop system on the market. From awnings, bike racks, kayak carriers, light bar brackets, gas can holders & more! There's everything for your next adventure. Add the Rhino-Rack Pioneer Platform for maximum roof load area, sold separately. Engineered in Australia and made with high quality materials & craftsmanship. We're so confident in the product engineering & build quality that we offer a 5-year warranty. Don't settle for anything less. Compatible with most full-size trucks with short bed or standard or long bed cap/topper/canopy & some tonneau covers. Also works on truck campers. Some drilling is required. Installation hardware included.