K-type Thermocouple Wire AWG 24 Solid w. High Temperature Fibreglass Insulation up to 700 Degree C or 1300 F - 10 yard roll : Amazon.ca: Industrial & Scientific
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Type K Thermocouple Wire 24 Gauge Solid Wire Rated 900°F (480°C) Fiberglass Insulation - TempoTechControls