E3 Tungsten Electrode, 1/8 in x 7 in, 10 PK ORS NASCO functional headgear uses a constant-fit

E3 Tungsten Electrode, 1 8 in x 7 in, 10 PK ORS NASCO functional headgear uses a constant fit functional headgear uses a constant fit rubber headband for frequent re adjustments as pipe welders move about their work Strong durable kneepad design Hard rounded plastic cap allows for swiveling and pivoting during continuous on the ground jobs Cordura® nylon cover Compression recovery 1 2 inch Neoprene foam padding provides firm Longer life than thoriated electrodes Non radioactive additives Can be used in both AC and DC processes Excellent arc starting and stability Reduce amperage by 5o recalibrate from other tungsten