Temperature Indicator Stick, Temp. Range 400 Degrees F, Tip Size 3/8 in, Tip Style Flat, Features When Stick Melts The Precise Temperature is Reached, Reliably Accurate, Melts to Within +/-1 Percent of Rated Temperature, Typical Applications Include Pre-Heating, Annealing, Stress Relieving, Interpass Heat Treatment and Post-Heating, Standards Meets AWS.D1.1, ASME Code Sec. I, III and VIII, ANSI/ASME Code B31.1 and B31.3, Includes Slip-Resistant Aluminum Holder with Clip for Easy Storage