BackRack BCK Side Rails Toolbox for 2007–2013 Silverado/Sierra 5.5ft Bed — 21in Toolbox

• Exact fit for 2007–2013 Silverado/Sierra pickups with a 5.5-foot bed, aligning with factory siderails for a clean, integrated look.
• Includes a 21-inch toolbox mounted along the siderails to keep tools, fasteners, and small gear organized and easy to reach.
• BackRack siderails extend along the bed edge to add dedicated storage without occupying the main cargo floor.
• Designed to complement the Silverado/Sierra bed geometry, offering a purpose-built solution that stays in place through daily use.
• Simple, straightforward installation with a rugged, work-ready appearance that matches the truck’s profile.