Features:* * For welding carbon steel, stainless steel, copper-titanium alloy * Thorium tungsten electrode is easy to operate and arc ignition is easy * Stable arc, large arc space, low loss, long service life, high conductivity * Thorium increases the quality of electrode electron emission, which improves arc starting and enables higher current carrying capacity Specifications:* Material: Lanthanum Tungsten * Color: Gold (As Pictures Show)* Core Diameter: 1.0 / 1.6 / 2.0 / 2.4 / 3.0 / 3.2 / 4.0 (mm)* Type: Tungsten Lanthanum Electrode (WL15)* Drug Skin Properties: Tungsten * Welding Current: 15 (-500) (One) * Length (Approx.): 150 (mm) * Optional Size: 1.0m*150mm,1.6m*150mm,2.0m*150mm,2.4m*150mm,3.0m*150mm,3.2m*150mm,4.0*150mm Package Contents:10*Tungsten ElectrodeNote:The actual colors of the item may be slightly different from the pictures shown on the website due to many factors such as monitor brightness and light brightness.