UnderCover Flex 07-21 Tundra 5'6" w/o Deck Rail System w/o Trail Special Edition Strg Bxs Model FX41007 60 DLS This particular model is designed

This particular model is designed to fit select years of the Ford F-250 Super Duty and Ford F-350 Super Duty (see application info to verify fitment)

Lap joint welds provide a much stronger design than the normal butt welds seen on most aluminum boxes

This Midship Extension Kit is required when replacing an OEM midship fuel tank with a Transfer Flow midship fuel tank on a Ram cab chassis

Installs in minutes for fast and easy setup

The 1725103 Buyers Underbody Box is one of the best underbody truck boxes for your money

UnderCover Flex 07-21 Tundra 5'6" w/o Deck Rail System w/o Trail Special Edition Strg Bxs Model FX41007 60 DLS This particular model is designedUnderCover Flex 07 21 Tundra 5'6" w o Deck Rail System w o Trail Special Edition Strg Bxs Model FX41007 Introducing the next generation of folding covers the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile