Hypertherm® 120837 Plasma Consumable, Shielded Ohmic Retaining Cap, High Quality Copper, Amperage: 100 - 200 amp, Compatibility Gas Type: Air, Nitrogen, Oxygen, Carbon Dioxide, H35, Applicable Materials: Mild Steel, Aluminum, Stainless Steel, For Type/Brand/Model: MAX200, HySpeed® HT2000 Plasma Cutting System