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 Contact Tip 【 Features of our Contact Tip 】 CZ Conta Wire three point Straighter Wire three point Straighter   Nozzle RED.71 Nozzle Features Due to thin thick For TIG Welding PC Tungsten Electrode Stick For TIG Welding PC Tungsten Electrode St