Tungsten electrode 1. WP, WT10, WT20, WT30, WT40, WC20, WZr3, WZr8, WL10, WL15, WL20 2. ... Diameter:1.0 - 12.0mm 3. 150, 175mm Tungsten electrode 1 ... . Item: WP, WT10, WT20, WT30, WT40, WC20, WZr3, WZr8, WL10, WL15, ... MARGIN 75, 150, 175, 178 0.5-10.0 WT20 RED 1.8-2.2 ≤0.2 MARGIN 75, 150 ...