Truxedo truck bed cover parts and accessories include the QT (Quick Attach) Clamps and the Nissan Titan and Frontier Adapter Kits. QT (Quick Attach) Clamp Kit has 6 cam style clamps designed to work with most TruXedo tonneau covers. These QT clamps require no tools to use. Nissan Bed Extender Adapter Kit: Truxedo now offers an adapter kit for Nissan Frontiers, and Nissan Titans that have the optional Utility Track System. The bed extender adapter kit works only on the Truxedo Lo Pro Roll-up Truck Bed Cover. The Nissan Bed Extender Adapter Kit works as a spacer that prevents your bed extender cage from hitting the Utility Track System when you extend the bed extender.