Tungsten electrode 1. WP, WT10, WT20, WT30, WT40, WC20, WZr3, WZr8, WL10, WL15, WL20 2. Diameter:1.0 - ... . 150, 175mm Tungsten electrode 1. Item: WP, WT10, WT20, WT30, WT40, WC20, WZr3, WZr8, WL10, WL15, WL202. Diameter: 1.0 - 12 ... .2 MARGIN 75, 150, 175, 178 0.5-10.0 WT40 ORANGE 3.8-4.2 ≤0.2 MARGIN 75, 150 ...