The #220181 130 Amp Mild Steel and Aluminum Electrode from Hypertherm is one of the key components Hypertherm's line of mechanized plasma systems. The mild steel patented electrode is compatible with select plasma systems like the HD and HPR series HyPerformance® plasma systems. These HyPerformance® plasma systems are specifically made for efficiencies in manufacturing environments for all industries, that's why they're designed and constructed for the maximum performance and productivity in x-y, bevel and robotic cutting operations.