Markal – 86733 Thermomelt Temperature Indicator Heat Stick, 400 Degrees Fahre…

Accurate, fast, low-cost method for measuring surface temperatures Ideal for applications such as annealing, forging, welding, bending, forming Initially the mark appears dull and chalky then quickly melts to a transparent-appearing liquid Accurate to within +/- 1 percent of rated temperature 33 Percent bigger and stronger; same proven reliability