Fluke 80PK-26 SureGrip Tapered Temperature Probe Type-K thermocouple with tapered tip for use in air, non-caustic gas and surface applications 20.32 cm (8-Inch) stainless steel probe Measurement range: -40 to 816 Degree Celsius SureGrip accessories are designed to improve steadiness in slippery hands Rubber over-molded surfaces and finger-hugging curves give the user a comfortable, reliable grip