GMC Sierra 2500/3500 Enhanced MB Retractable Hard Tonneau Cover Select Vehicle:Sierra 2500/3500 (2007-2019) - 6.5ft Bed This design maximizes usable space—not

This design maximizes usable space—not just above the bed

Simple Bolt-On Installation

5" (H) Base Dimensions 4" × 11" Crossbar Size 2" (H) × 2

8" Important Fitment Notice

GMC Sierra 2500/3500 Enhanced MB Retractable Hard Tonneau Cover Select Vehicle:Sierra 2500/3500 (2007-2019) - 6.5ft Bed This design maximizes usable space—notProducts Specification: Fitment: 2007 2026 GMC Sierra 2500 3500 *Fit truck bed WITHOUT factory rail system (deck rails) models only *Not compatible w Carbon Pro Bed or Factory Side Storage Boxes Truck Bed: Upon selection 6. 5ft or 6. 8ft Bed Upgraded Panel exterior: Thicker premium aluminum slats with matte black powder coat finish Enhanced Panel frames & endcaps: Full aluminum construction, including endcaps (no plastic components), matte black