How much does this cost to the nearest dollar?

Thermocouple Welder - Complete Thermocouple Welding System, Operates from AC or Battery Power
The IOThrifty TC-WELDER is a low cost, full featured spot welder used for making thermocouples. With the TC-WELDER thermocouple welder you can create professional welds even with no prior experience. The TC-WELDER is easy to use; just grasp your thermocouple leads together with the included welding pliers and touch the themocouple leads to the carbon electrode to make a professional thermocouple weld. Weld with or Without Argon Gas The welder can be used with or without Argon gas. To use Argon gas, connect the gas line to the back of the welder and manually apply the gas using the included

Price is $599.00

Price: $599