Omega Engineering TL-WELD – Thermocouple & Fine Wire Welder, 18 AWG to 40 AWG, 0 Joules to 60 Joules, 5-10 Welds/Min, 4 kg/8.8 lbs, Wires up to 1.1 mm (0.043′) Dia, 120/220 Vac Selectable, TL-WELD Series