Lo-Side Truck Tool Boxes mount over the bed rails of your truck and keep critical tools and parts at your fingertips. The Model 164-5-01 is an aluminum diamond plate long length low side truck tool box and has a storage capacity of 6.4 cu ft. The Gloss Black ARMOR TUF® Powder Coat finish ensures years of dependability. Mounting brackets on the truck bed tool box ensure an easy installation without drilling into the rails.