Replaces 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. Tonneau Cover Hardware Kit; Low Profile; 2004-2014 Ford F-150 Retrax - Powertrax Pro RTX - Hard Fold Access - Tonnosport Gator - EFX Retrax - Retrax One Access - Vanish Retrax - RetraxOne MX Tonnopro - Lo Roll American Tonneau - Soft Rolling Retrax - PowertraxONE MX Trail FX - Hard Tri Fold Bak Industries - BakFlip Retrax - RetraxPRO MX Trail FX - Soft Rolling Bak Industries - Revolver X2 Retrax - PowertraxPRO MX Truxedo - Edge Enthuze - R-Series Retrax - RetraxONE XR Truxedo - Lo Pro Enthuze - Soft Roll Retrax - PowertraxONE XR Undercover - Flex Gator - Evo Retrax - RetraxPRO XR Extang - Revolution Gator - FX Retrax - PowertraxPRO XR Extang - Xceed Hard Fold Gator - FX3 Truxedo - ProX15 Gator - FX5 Truxedo - Sentry Bak Industries - BakFlip G2 Gator - Roll Up Series Truxedo - Sentry CT Bak Industries - BakFlip MX4 Gator - Trax UnderCover - Ultra Flex Bak Industries - BakFlip Fibermax Ionic - Roll Up UnderCover - ArmorFlex Bak Industries - BakFlip F1 Lund - Genesis Roll Up ARE - Fusion Bak Industries - Revolver X4 Retrax - Powertrax One RTX - Soft Roll Access - Lorado Enthuze - Hard Tri-Fold Low Profile
