DiamondBack 180 - GMC Vehicle:2007 (NBS)–2014 GMC Sierra 2500/3500 / 8' bed and flat washers

and flat washers

Getting into your Toyota’s bed will never be the same

DiamondBack Side Boxes bolt to the underside of the center panel of your DiamondBack cover (drilling required) with stainless steel hardware and overlap the bed rail of your Chevy

Black powder-coated finish

just looks of envy from friends while wearing it

DiamondBack 180 - GMC Vehicle:2007 (NBS)–2014 GMC Sierra 2500/3500 / 8' bed and flat washersThe most durable butterfly tonneau cover. With two near full length, side opening panels, you now have complete open access to the entire bed of your GMC from both sides of the DiamondBack 180. This means you can work and play directly out of your truck without having to crawl into the bed to reach stuff.