Buyers Products Single Oval Light Boxes are designed to mount 6 in. oval DOT lights. Oval light boxes are available with stainless steel, black powder-coated steel, smooth or diamond tread aluminum, or black polymer construction. Available with a cutout for a 2" side light or front and back cutouts to suit various applications. The 2.13" cutout diameter of LB383SL is suitable for 2" recessed rubber-mounted marker lights.