Mixed Packaging Tungsten Electrode, 10pcs

【Packing】: 2pcs Pure Tungsten + 2pcs 2% Cerium(Grey) + 2pcs 1.5% Lanthanum(Gold) + 2pcs 2% Lanthanum(Blue)+ 2pcs 2% Thorium(Red)
【SUPPLY】: Provide different type of tungsten electrode to meet your different requirements
【FEATURES】: Arc stable,long time service life
【PERFORMANCE】: Good electrical conductivity and small thermal expansion and high elastic modulus