Retrax RetraxONE XR - 07-13 Silverado/Sierra 5'9" w/o Stake Pocket - Standard Rail Model T-60421 58" L Dual flip-up doors feature a

Dual flip-up doors feature a recessed design with a reinforcing backbone and 13 in

They also mount with grade-8 hardware

The "barn door" style allows you to get closer to the contents of the box

Fits 20ft to 40ft Extension

and it is rated for up to 60

Retrax RetraxONE XR - 07-13 Silverado/Sierra 5'9" w/o Stake Pocket - Standard Rail Model T-60421 58" L Dual flip-up doors feature aRetrax RetraxONE XR 07 13 Silverado Sierra 5'9" w o Stake Pocket Standard Rail Model T 60421 The XR Series combines the ONE MX with the integrated Trax Rail System that allows for unique and personal customization above your truck bed cover. The RetraxONE XR combines strong, durable polycarbonate with a powerful and incredible scratch resistant matte finish paired with a low profile patented design that streamlines the overall appearance and provides