What is this?K type handheld surface thermocouple probe is mainly used to measure the temperature range, especially for industrial applications, to measure the surface temperature of various solids.What will I get?The K Type Thermocouple, we provide here, is the size of:Wire Length: 1.55M / 5.1ftProbe Size: 15 x 15mm / 0.6 x 5.3 inch (OD x L)Temperature Range: -50~500°CMaterial: Stainless SteelIn the package of: 1 x Surface Test ThermocoupleAre there any advantages of the product?Made of stainless steel, it will not rust easily, and it can withstand high temperature and corrosion.High precision, used for measuring surface temperature, fast temperature measurement.Lightweight and easy to carry. Durable retractable spring wire is not easy to break.