Lo-Side Truck Tool Boxes mount over the bed rails of your truck and keep critical tools and parts at your fingertips. The Model 178-0-01 is an aluminum diamond plate standard length low profile low side truck tool box for the driver side and has a storage capacity of 4.3 cu ft. The Clear ARMOR TUF® Powder Coat finish ensures years of dependability. Mounting brackets ensure an easy installation without drilling into the rails.