The package contains 5 pieces of plasma IPT-45 PT-45 torch electrodes 56576 and 5 pieces of plasma IPT-45 PT-45 torch nozzles 56811 The diameter of 56811 torch tip or nozzle is 0.9mm or 0.035 inches Made of copper, usually use in 30- 45A plasma cutting process These plasma electrodes and nozzles are especially designed for Harbor Titanium Freight 45A plasmacutters working with IPT-45 PT-45 torch. These plasma cutting torch consumables are replacement parts, not original.