Lo-Side Truck Tool Boxes mount over the bed rails of your truck and keep critical tools and parts at your fingertips. The Model 166-3-01 is a steel super low side truck tool box and has a storage capacity of 9.2 cu ft. The White ARMOR TUF(R) Powder Coat finish ensures years of dependability. Mounting brackets on the truck bed tool box ensure an easy installation without drilling into the rails.