ITEM NAME:High Temperature K Type Thermocouple Sensor For Ceramic Kiln Furnace 2372 F N9I7 High Temperature K Type Thermocouple Sensor For Ceramic Kiln Furnace 2372 F N9I7 Thermocouple: K type Measuring temperature: -58 °F-2372 °F (-50 °C-1300 °C) Wire diameter: 3.2mm Total length: 215mm / 8.5 inch Insulation length: 162 mm / 6.3 inch Tube shape: 6 Pcs x 1 inch ceramic tube Insulator: double hole insulator Quantity: 1 piece ts connector can be connected directly to a digital thermometer. It can also be connected to a temperature controller by removing its connector. It can measure extremely high temperatures up to 2372 °F (1300 °) This heavy-duty 8 gauge is 8.5 inches long. The length of the thermocouple was measured by the number of ceramics 1 inch long. Added some extra length to the connection. You can adjust the length of this thermocouple by bending the probe/thread during installation. color: White Material: Nickel-chromium-nickel-silicon Package Contents: 1* K type thermocouple sensor