This gray metal cover plate from GE Midwest Elec. is the perfect addition to your electrical box. With a surface mounting style and wall mountable features, it's suitable for exterior use and has a 3-inch length. The plate is designed for use with electrical boxes and has no outlets or poles. The brand is Square and the model is GE 3" cover plate. It's made of durable metal and is ideal for use in various industrial and commercial settings.