Lo-Side Truck Tool Boxes mount over the bed rails of your truck and keep critical tools and parts at your fingertips. The Model 176-5-01 is a steel standard length super low side truck tool box and has a storage capacity of 6.5 cu ft. The Gloss Black ARMOR TUF(R) Powder Coat finish for years of dependability. Mounting brackets ensure an easy installation without drilling into the rails.