... WT20, WT10, WT30, WT40, WC20, WP, WL15,Wl20, WZ3, WZ8. Diameter: 1.0 - 10.0mm Specification:1) We can supply electrodes in tungsten ... -thorium,tungsten-cerium, tungsten-lanthanum, tungsten-zirconium, pure tungsten,and other specifications2) Type: WT20, WT10, WT30, WT40, ... to customers' requirementsMin Order Quantity:5,000pcs Tungsten Electrodes