ITEM NAME:1PC High Purity Pure Tungsten Rod W Metal Solid Rod L 100mm Dia. 8mm â— I am very glad to solve your any problem on my items. â— Feel free to contact me via.†¢Material: wolfram. †¢Size: approx.8 100mm. †¢Heat resistance and corrosion resistance. †¢Color: silver. †¢Lightweight and hard. †¢High strength and toughness. †¢Fear arctic and high temperature. I send goods within 12 hours.