Type Ungrounded K Type Thermocouple Measuring Temperature -300 – 1200 degree Fahrenheit Probe Length 100mm (4 inch) Probe Diameter 5mm (0.2 inch) Threads Size M8 Threads (with matching nut) Probe Material Stainless Steel 304 Cable Length 3m (10 ft) Color Code Yellow (+) ; Red (-) Cable Shealth Fiberglass overbraided with Stainless Steel Connector Spade Connectors