Description: With gray head, smooth, standard characteristics and a delicate storage box, our blue tungsten electrodes can easily operate, ignite the arc and convenient to carry. On the one hand, our blue tungsten electrodes have high temperature resistant, no radiation features, on the other hand, our blue tungsten electrodes are uniformity, wear-resistant, since they are designed by selected materials and excellent craftsmanship. These blue tungsten electrodes are made of lanthanum tungsten which make them durable. The length of these blue tungsten electrodes is 15cm. It is suitable for welding aluminum, aluminum alloy, carbon steel, stainless steel, silicon copper, copper, bronze, titanium and other materials. Item Name: Blue Tungsten Electrodes Material: Lanthanum Tungsten Features: Radiation-free, Professional, Solid Core diameter: 1.6mm, 2.0mm, 2.4mm, 3.0mm, 3.2mm Welding Current: 15A-500A Size Details: Length: 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x Blue Tungsten Electrodes