Spot Welding in the past had primarily been done by large resistance welders but can now be achieved with your TIG welder and the Eastwood Spot Welding Kit. Spot welding is accomplished by clamping two panels together and fusing them with a number of welds sequentially-placed rather than a continuous bead to hold the panels together. This is for 2 replacement nozzles for the kit. These nozzles with 17 Size TIG Torches.