Markal Thermomelt Temperature Indicator Heat Stick, 500 Degrees Fahrenheit, 5" Length

Product description

• 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