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The Roll-N-Lock M-Series XT tonneau cover is a retractable vinyl-over-aluminum truck bed cover that delivers four-season protection and secure storage. Its patented contoured hinge and insulated grip enable frictionless operation; the cover unlocks with a key and retracts into a compact canister so it opens and locks without lowering the tailgate. The M-XT adds the T-slot MaxTrak rail system for custom bed mounting, multiple latching positions, and a low-profile design that preserves cargo space for 2021–2023 Isuzu D‑Max crew and double cab 4'10" beds.
Roll-N-Lock 21-23 Isuzu D-Max CC/DC 4ft 10in Bed M-Series XT Tonneau Cover
