1)Dia: 1.0 -10.0mm
2)Length of tungsten electrode:75mm, 150mm,175mm,178mm
3)Quality:Ground/Polish Finish; Annealed/Unanneale

Thorium Tungsten is the most commonly used tungsten in America and some other countries and is a good general used tungsten which has the superior welding performance.Especially,it's performance well when over loaded with extra amperage.This tungsten is used primarily for DC welding of carbon &stainless steels.nickel alloys and  titanium,etc.