One (1) 850 degree F / 454 degree C temp Stick made by TempilFREE SHIPPING TO ALL 50 UNITED STATESProviding accuracy, confidence and compliance for over 80 years, Tempilstik is the original temperature-indicating stick with the best combination of precision and convenience for surface temperature measurement. Specially engineered for accurate temperature indication in pre-heating, interpass and post-weld heat treating applications, Tempilstik is the industry's leading choice for use in the most critical jobs. Please note that the color of the Tempilstiks are not a part of their function, since the temperature signal consists of melting. Indicator color is subject to change without notice. tick instantly melts at designated temperature for easy and immediate visual inspectionCalibration-free with 100% reliabilityAccurate to within +/- 1% of Fahrenheit and +/- 3% Celsius ratedComply with preheat temperature requirements of AWS D1.1, ASME Code Sec. I, III and VIII, ANSI/ASME Code B31.1 and B31.3.Imprinted part number, temperature and lot code across entire stick for improved traceabilityMade in U.S.A.