Blue Demon Welding Tungsten Electrodes, 2% Thoriated, RED, EWTh-2, 1/4 in x 7 in 5 pc pack TE2T-14-5T

The additional thoria provides about 20 percent higher current carrying capacity When AC welding balling can be accomplished by welding with DC electrode positive prior to welding with AC During AC welding the balled end does not melt and so emission is not as good as from a liquid ball on an EWP