Center Rear 4″ Round LED Light Box Corners Welded And Polished, Back Enclosed Add to wishlist Part # : 3281-MSS185 Categories: Light Boxes/Panels, Mack Tags: class 8, deiters, Dieter's, dieter's truck accessories ❮ ❯ Product Information Product Information Center rear 4″ round LED light box. Mounts to underside of frame. 34″ wide. Rear of light box has a removable cover. Lights included. Hardware and some wiring supplied.