1)Application: General tungsten wire,support,lead-in wire,heater element,etc. 2) Type:12*12 3) Lenghth: 500 High tungsten bar is applied for general tungsten wires, support, lead-in wire, heater element, and so on. The appearance of the tungsten bar is square strip, and the lenghth is about 500mm. The tungsten bar is made of about 99.95%W.