Premium Quality: This thermocouple adopts high quality metal material, which is strong and durable. It is not easily damaged, has reliable quality and long service life. Quality workmanship: This thermocouple adopts excellent manufacturing process with high quality terminal connectors to ensure convenient connection and stable, which can provide you with superior effect. Excellent performance: The 5mm probe of this thermocouple is very sensitive and can quickly detect temperature. And it is high temperature resistant, ranging from 0 to 400, which can be widely used for temperature measurement. Product specifications: Type: K, screw thread diameter: 8mm , probe length: 150mm, probe diameter: 5mm, connector: 2pcs (blue is negative, red is positive), temperature range: 0~400.