A series of metal panel-mount indicators with high dielectric strength, rust resistance and ease of visibility, MPR3 3-mm and MPR5 5-mm Series for rugged industrial environments including process control and power indicators are offered in a wide variety of colors including 430 nm super blue and optional 55° viewing angle. The MPR3 series fit industry-standard 0.245" panel holes and the MPR5 series fit industry-standard 0.320" panel holes.