With a built-in RES(TM) rail expansion system, UltraGroove(TM)  makes it easy to attach nearly any Thule(R) or Yakima(R) rack for bikes, kayaks, cargo baskets and more. With or without racks, it's incredibly easy to use and it's covered with a weather-resistant, padded ArmorTek deck laminated to rigid aluminum panels. It opens quickly with just a turn of the lock knob and closes just as easily with a pull on the built-in strap.. UltraGroove® Tonneau Cover Kit; Incl. Canister/Rails; Retractable; Black;. Pace Edwards 16-22 Nissan Titan/Titan Xd Ultragroove Tonneau Cover. Padded Armortek® Deck Laminated To Rigid Aluminum Panels. Built-In RES™ Rail Expansion System. UltraGroove® Tonneau Cover Kit. Turn Knob For Easy Access. 3 Year Limited Warranty. Tonneau Cover. Rear End Cap

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