18″x18″ Bolted Structural Steel Brackets for Underbody Truck Tool

18’’x18’’ Bolted Structural Steel Mounting Brackets for underbody Truck Tool Box, Set of 3- Black. The size of Underbody Steel Mounting Brackets: 18’’(L) X5’’(W)X18’’(H). These truck tool box mounting brackets are used for the installation of the underbody truck toolbox or trailer tongue tool box.