Heavy duty steel brackets, manufactured by professionals in the USA. 46 inches wide. 7 inch rod length. Designed specifically for building shelves out of standard inexpensive lumber readily available at your local Home Depot or other hardware store. Free drill guide includede with every order, 9/16 bit not included. 9 widths available, 3 rod lengths available We designed these brackets specifically for standard lumber sizes. 2x4 2x6 2x8 2x10 and 2x12. Sheppard Brackets, the most trusted name in Floating Shelf Brackets. This bracket is 46 inches wide with 4, 7 inch rods. We designed a new system where the mounting points are cut right into the perimeter of the bracket. This allows us to cut the mounting points every inch so you always have a mounting point right where you need it.