The Roll‑N‑Lock M‑Series retractable cover for 2017–2026 Ford F‑250/F‑350 8 ft bed pairs a marine-grade vinyl-over-aluminum slat with the most compact housing among retractables to preserve bed space. It operates on a heavy-duty torsion spring drive for effortless opening, features Integrated AutoLock™ and a built-in tailgate locking system, and installs with simple clamps while offering multiple latching positions and a low-profile aerodynamic lid.
Roll-N-Lock 17-18 Ford F-250/F-350 Super Duty LB 96-1/2in M-Series Retractable Tonneau Cover