Addictive Desert Designs 23 Ford Super Duty Bed Channel Stiffeners Model AC8103401NAAddictive Desert Designs 23 Ford Super Duty Bed Channel Stiffeners Model AC8103401NA Heavy loads can cause rear bed channels to crack over time. Our Super Duty bed channel stiffeners, made from inch American steel, reinforce them to prevent damage. They're finished in black powder coat, install with factory hardware and existing holes, and are proudly Made in America. Hammer Black Powder Coat Finish Utilizes Factory Hardware No Drilling Required