Thermometer with Pressure Gauge fits indurstrial equipments, boiler, pipeline, heating measurment Thermometer with Pressure GaugeFits indurstrial equipments, boiler, pipeline, heating measurment.Size: Dia 4.2",2.8".Case material: Iron with black electrophoresisStem material: Copper.Face: plastic. we can change the temperature range,stem length and connection according to your request