Note: The Denali accessory mount bracket, 6 inch, black has been discontinued and is no longer able to be ordered.Made from heavy-duty 3mm thick, 1-inch (26mm) wide strips of steel. Inner hole diameter is 5/16-inch (8mm). Center-to-center hole distance is 6 inches, overall length of bracket is 7 inches. Powder coated flat black. Sold each.