Retrax RetraxPRO XR - 07-13 Silverado/Sierra 1500/07-14 HD 6'6" w/o Stake Pocket - Standard Rail Model T-80422 Textured Rubber Tow Guards They are also suitable for

They are also suitable for use with weight distribution up to 12

F-350 Super Duty Model 415088-400829

If you have a truck that works hard

CURT Rebellion XD Adjustable Cushion Hitch with Dual Ball

Retrax RetraxPRO XR - 07-13 Silverado/Sierra 1500/07-14 HD 6'6" w/o Stake Pocket - Standard Rail Model T-80422 Textured Rubber Tow Guards They are also suitable forRetrax RetraxPRO XR 07 13 Silverado Sierra 1500 07 14 HD 6'6" w o Stake Pocket Standard Rail Model T 80422 The XR Series combines the PRO MX with the integrated Trax Rail System that allows for unique and personal customization above your tonneau cover. The RetraxPRO XR, our premium Aluminum Series cover, combines industrial strength aluminum construction with an incredibly resilient matte finish. The XR Series optimizes cargo capacity with the cover