Place the aluminum, with the diamond-plate pattern facing down, in a sheetmetal brake. Bend the metal to create 6-in.-high sides and an 8-in.-wide bottom. Trace the three sides of the toolbox ...

This diamond-plate box measures 30 inches in width (though ... and features two flip-out handles for easy transportation. This toolbox measures 39 inches across and weighs about 22 pounds.