Lo-Side Truck Tool Boxes mount over the bed rails of your truck and keep critical tools and parts at your fingertips. The Model 181-5-01 is an aluminum diamond plate short length low profile low side truck tool box for the passenger side and has a storage capacity of 3.2 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.