HarrisĀ® 1501390 Cutting Tip, High-Speed Machine, Size: #2, Flow Rate: Oxygen: 360 cfh, 4 oz - 2 psig, Oxygen: 100 psig (Cutting), 12 - 35 psig (Preheat), Gas Service: Natural Gas, Propane, Cutting Thickness: 4 Inch, Cutting Width: 0.12 Inch, Cutting Speed: 7 - 9 in./min., #53 Orifice