ITEM NAME:Outdoor Patio Heater M6x0.75 Head Thread With M8X1 End Connection Nuts Ther K3K5 Outdoor Patio Heater M6x0.75 Head Thread With M8X1 End Connection Nuts Ther K3K5 Voltage:Greater than 20mV Opening valve time:less than 5S ?This thermocouple is used for outdoor patio heater. Color:red + gold material:metal Head thread:M6*0.75 Tail insert:6.3mm Tail screw:M8*1 is about 410mm long Package Contents: 1 set * stove accessories