The Roll‑N‑Lock M‑Series locking retractable cover for 1999–2007 Chevrolet Silverado/GMC Sierra with bedrail caps fits 8 ft beds and combines a vinyl-over-aluminum laminated slat construction with a compact aluminum housing to preserve cargo space. It retracts on a heavy-duty torsion spring drive for quick access, features Integrated AutoLock™ and a patented tailgate locking system, and installs using clamps with multiple latching positions and a low-profile lid.
Roll-N-Lock 99-07 Chevy Silverado/Sierra (w/OE Rail Caps) LB 96-3/4in M-Series Tonneau Cover