Backrack 40120 Tonneau Hardware Kit; Low Profile; 07-19 Silverado/Sierra Old Body Style Shopify Collective the Ultra Flex has been

the Ultra Flex has been carefully crafted to be the ultimate all-purpose truck bed cover

The anti-rattle ball-catch design offers a unique gripping solution

Bolts on existing holes in upright and places antenna atop upright post

Slides into a precision fit bracket mounted into the interior roof of your SmartCap(TM)

Backrack 40120 Tonneau Hardware Kit; Low Profile; 07-19 Silverado/Sierra Old Body Style Shopify Collective the Ultra Flex has beenReplaces Standard Railmount Hardware. Allows Toolbox to be installed flush against BackRack(TM). Eliminates gap between Toolbox and Backrack. Allows Toolbox to be installed without drilling into truck bed. Standard 21 inches. Optional 31 inches available.