A quick disconnect thermocouple with compacted MgO insulation employing a glass-filled, nylon connector directly on the sheath. This specific K Type T21 Thermocouple Probe with attached connectors is a molded on mini-plug. It is ungrounded and the probe length is 18”. The probe diameter is .125” (1/8”) with Inconel material. The connector max temp rating is 525F (274C) and the probe max temp rating is 2150F (1175C).