The F - 150Raptor Chase RackRoof Rack is built tough and provides your truck with the rugged utility and extra space you want - all in one smart, great looking package The chase rack section is built from 0.135 in. thick American steel plate, laser cut for precision fit and finished using a 3 - stage powder coat finish for long lasting protection. The chase rack bolts to the bed rails for solid and secure installation. The roof rack section is built from 0.125 in. thick aluminum to keep weight down and includes two locking tool storage boxes at the rear for secure storage. It also includes mounts for dual 50 in. LED light bars on the front and multiple mounts for 3 in. square LEDs on each side.