Secures To The Bed Of The Toyota Tundra (3rd Gen) 4 Door CrewMax 5.5 ft. With Specific Mounting Brackets,The Pro Bed Rack Kit Provides The Freedom To Customize Your Load Bed Storage Configuration,The Slimline II Rack Allows All The Top/Side And Under Rack Mounted Adventure Gear Accessories,The Pro Bed System Secures Accessories Freeing Up Space On The Slimline II Rack And In The Bed Of Your Truck,All Front Runner Racks Are Backed By A Limited Lifetime Warranty,Included In This Kit Is The A 1425mm/56.1 in. X 1560mm/61.4 in. Slimline II Rack And Pro Bed System,Drilling Is Required For Fitment,The Pro Bed System Have Integrated Hooks For More Accessories Such As The Dynamic Pro Bed Tailgate Net PN[PBAC004],This Pro Bed Rack Kit Is Specifically Designed To Fit The Toyota Tundra [3rd Gen] 4 Door CrewMax 5.5 ft. Load Bed