This is a 2 pack of replacement nozzles for the 14150 TIG Spot Weld Kit .  N ow you can \"spot weld\" with your TIG welder...just add our exclusive TIG Spot Weld Kit to your tool box!  Use your TIG welder together with this TIG Spot Weld Nozzle to produce professional spot welds without a large resistance welder. - Duplicate full-penetration OE spot welds from one side with your existing TIG welder - No need to buy a resistant spot welder (about $250!) or fool with carbon arc rods - \"Leg extensions\" create exact standoff distance for spot welding 20- and 18-gauge steel