Omega Engineering Welders TC-WELD-Series Fine Wire and Thermocouple WelderThe Thermocouple welder is designed for the fast and easy commercial grade welding of your own probes and thin wires TL-WELD-Series Fine Wire and Thermocouple Welder with Included AccessoriesThe Thermocouple welder is designed for the fast and easy commercial grade welding of your own probes and thin wires