Tip gauge ( teaching eye ) Tip gauge ( teaching eye ) Function/Use It is installed to the tip body and used for teaching. Features Even if I is contacted, the structure is hard to break. Specification Related Products Nozzle RED.71 Nozzle Features Due to thin thick Nozzle cleaner Beauiful Yatter Man 2 ( Cooling Water Co For TIG Welding PC Tungsten Electrode Stick For TIG Welding PC Tungsten Electrode St GF liner GF liner Features/Use As Primary