Your Orion welder comes with 5 tungsten electrodes (1.0mm size) which will last for a long time handling many welds. Eventually, they will need to be replaced. This convenient mixed pack contains a total of 20 electrodes, ten of the 0.5mm and ten of the 1mm sizes. 

Also available:

• 0.5 mm diameter Tungsten Electrodes that are 66 mm (2.6 in) in length. Pack of 15 electrodes Item #TBD

• 1mm diameter Tungsten Electrodes that are 66 mm (2.6 in) in length. Pack of 15 electrodes Item #TBD