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 GF liner GF liner Features/Use As Primary For TIG Welding PC Tungsten Electrode Stick For TIG Welding PC Tungsten Electrode St Contact Tip 【 Features of our Contact Tip 】 CZ Conta Wire guide hardware Fukitouru ※ Note)The felt of inner side