The Roll-N-Lock A-SERIES XT combines the A-Series truck bed cover with our T-slot integrated MaxTrak System allowing for unique customization to your truck bed. Pair with your favorite accessories to get twice the storage space and better accessibility for your gear. Mount bikes, coolers, outdoor gear, and more on top of the bed (compatible with most T-slot accessories)! The A-Series XT tonneau cover compact housing averages only 7 ¼" deep to preserve even more cargo space. The A-Series XT offers nearly impenetrable security with its a patented four-point locking system that locks the cover instantly and simultaneously with the tailgate. This retractable aluminum cover permits opening or closing in literally seconds, without snaps to manipulate or heavy folding panels to lift. With the turn of the lever and key and assistance of a strap, smoothly slide open the cover with a torsion spring. The cover also features a patented, ratchet-style latching mechanism, enabling it to lock in place at four open positions. Built to protect against harsh weather conditions, the A-Series XT features a powder-coated aluminum cover and a patented tailgate locking mechanism for maximum durability. The A-Series XT is backed by our US-based customer support team and a 3-year guarantee