Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.The metal aluminum covered wire is high temperature resistant.4.The connection method is screw type and two-pole plug type.5.The 750mv thermocouple is durable: internal resistance (77.0 F), which varies between 1500 m and 4,500 m depending on the size and length.6.Normal working temperature: 1,292.0-1,382.0 F.Specifications:Material: Metal aluminum covered wireColor: Brass, SilverBrand name: leopardSize:Full length approximately: 91.44cm/36inchExternal thread diameter: 1.1cm/0.43inchMetal aluminum covered wire length: 78.74cm/31inchWeight: 44gPackage include:1 x Gas Furnaces Thermocouple Thermopile