ITEM NAME:Temperature Controller K-Type Thermocouple Stainless Steel Sensor Probe New VIQ.Thermocouple K Type probe. Stainless Steel Probe. Probe length: approx. 3.51" / 8.9 cm. Temperature Range: -58 to 1292Â °F (-50 to 700Â °C). We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item.