Review on Pack of 5 K Type Thermocouple Temperature Probes with Mini-Connector, Measure Range -50 to 400 Celsius, Compatible with TM902C/ TES1310 by Erik Snyder

The fiberglass insulation on it is incredibly annoying and dusty. It was enough to take them out of the packaging without gloves to feel the needles pierce my hands. You can see the glass dust sparkle in the air as it is ejected as the wire bends. Installation unsafe without respiratory protection. It's also a bit annoying that they use steel wire instead of copper, which makes them more resistant to higher temperatures, but also doesn't require solder. I'm adding a star because the price is good and they seem to work as expected, but irritating fiberglass is a safety hazard and contaminating my experiments.