Labfacility IS Series Standard IEC Thermocouple Connectors - Labfacility IS-K-FD, This Duplex (2-channel) type K standard-sized free socket thermocouple connector is designed to be used in industrial applications.
The connector has round socket pins made from true thermocouple alloys, reducing errors.
Labfacility IS-K-FD Type K IEC Standard Duplex Thermocouple Connector Socket