Tungsten rod,tungsten bar,tungsten electrode is for the application of electorde,emission cathode,high-temperature forming rod ... Tungsten rod, tungsten bar,tungsten electrode is for the application of emission cathode, high-temperature forming rod, support ... , etc.Specifications:Diameter: 0.1 - 13.5mmApplications: 1) For making cathodes, high temperature setting rods, electrodes2) Leads, supports ...