Rola 59799 haul-your-might t3 truck rack designed specifically for the Nissan titan, Toyota tundra, and Toyota Tacoma bedrail systems, has silver anodized aluminum cross bars, high strength aluminum black powder coated uprights and stainless steel hardware for long life. Anti-Theft features includes a lockable accessory channel for t-bolt applications. Crossbars are fully lockable and the cross bar features a universal t-slot allowing you to use a wide variety of accessories from Rola and other roof rack manufacturers. Cannot be used with tonneau covers in place.