Dial Thermometer, Temperature Range 50 Degrees to 500 Degrees F/10 Degrees to 250 Degrees C, Stem Length 6 in, Dial Diameter 5 in, 1/2 in NPT, Not Applicable, Includes NIST-Traceable Certificate No, Housing Material Stainless Steel, Lens Material Glass. This item has been restricted from sale in the following state (s): []