Tempilstik is an industry name for temperature sticks. They are indicators for measuring surfaces such as metal in degrees Celsius. The crayon at the end of the tempil stick melts on the surface once the required temperature is reached.

Providing 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.