DiamondBack HD - GMC Sierra 1500 thru 2018 Color:Rugged Black Designed to work specifically with

Designed to work specifically with the Adapter Bars by hooking on eliminating the possibility of kick-out

blemishes in the metal and tooling marks on the underside of the cover

If you're buying a new cover

(1) rivnut install tool

It installs by hooking over the gutters of the DiamondBack and mounts to the bed rails of your pickup

DiamondBack HD - GMC Sierra 1500 thru 2018 Color:Rugged Black Designed to work specifically withThe Ultimate Heavy Duty Bed Cover. Theft proof, weatherproof, and able to haul 1600 LBS on top, the DiamondBack HD transforms your truck bed into the ultimate platform for adventure or to get things done while keeping your stuff safe and dry on the side of the road less traveled.