Detailed Product Description Features:1) Adjustable angle bimetal thermometer 2) The thermometer consists of high grade bimeter, and it can measure accurately the temperature of any liquid or gas3) Dial: 3", 4", 5", 6" 4) Bottom entry: 1/2" NPT, 1/2" BSP 5) SS-304 (stainless) case 6) Range: -40 - 500oC 7) With adjustable zero screw