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