Outstanding advantage of flexible thermometer lies in its easy readability and adjustment. The case of industrial thermometer is & inch or 9 inch. Its insert applies common prismatic glass insert and red-reading mercury filled prismatic glass insert, along with white V-shaped aluminum scale board that highly improves visibility. The stem can be rotated 360 centi degree, so you can select your desirable viewing position. A copper mesh can protect tube from breaking and enhance the resistance of sensitive bulb.