This welding tungsten is made of materials, which has stable structure, helps in industry. materials can bring you a good experience. And these have excellent arc starting, good arc stability and they are good for most material. Features - Color: Grey tip and red tip. - Size: 15.00X0.20X0.10cm/5.89X0.08X0.04 inch. - Material: Tungsten. - The arc is more concentrated and stable than other products, feel more safe. - The product is used for welding thin stainless steel, aluminum and alloy products. - Ceriumtungsten has no pollution and is . - A set of tungsten welding rods with 20pcs. Enough quantity and , can be used for a long period. - you will receive a higher strength of parent metal than before. Better quality than common tungsten welding rod. Package list: 20 x Tungsten Needles