JMS, the highest quality thermocouple & RTD manufacturer, now brings you the highest quality bimetal gauge. Great for clear local indication without the need for a power source, the JMS Bimetal Thermometer features an hermetically sealed NEMA 4X 304 SS case and stem with external adjustment capability (upgradeable to 316SS by option for All Angle 5" dials). Manufactured to ASME B40.200 Grade A standards with Accuracy meeting or exceeding ± 1% of full scale, you will not find a better bimetal on the market. Capable of customization to your liking. Just ask or use an "X" in the part # to describe your requirement!!