DECKED Tool Box Core Trax Fits Two Pieces & Two Load Locks Model ATB4DECKED Tool Box Core Trax Fits Two Pieces & Two Load Locks Model ATB4 Core Trax 1000 tie down tracks are custom manufactured to a mount onto the tailgate facing aluminum extrusion on your DECKED Tool Box. 500 lbs. pull out rating. The attachment loops can be placed at 1" increments along the trax for maximum customization. Load rating of 500 lbs No snag corners so you won't snag your stuff