Core Trax tie down system now offers the solution to all your cargo control problems. The Core Trax cargo tie down system is the finest available. The tie down track is manufactured from an aerospace alloy for ultimate strength. These Core Trax truck bed tie down tracks are very versatile with heavy duty Load Locks which are removable and instantly adjustable. It creates a tie-down anywhere you need it including your pickup truck bed, trailers and more. You can use these tracks separately or you can combine tracks for many different tie down possibilities. You can combine tracks end-to-end to go the span of your truck bed.