A very sturdy rack 2" Main s 1.5" secondary rails Tig Welded 1/4" Box rails Removable Back X-member Custom for 2003- + Dodge Truck Box size; Bulkhead-width 65 3/16" Sides-long 73 1/2" Tail- wide 62 1/4" Rise-high 26 1/2" need it gone.