HarrisĀ® 1501400 Cutting Tip, High-Speed Machine, Size: #2-1/2, Flow Rate: Oxygen: 395 scfh (Cutting), 40 scfh (Preheat), Fuel: 8 - 20 scfh, 4 oz - 2 psig, Oxygen: 100 psig (Cutting), 12 - 35 psig (Preheat), Gas Service: Natural Gas, Propane, Cutting Thickness: 5 Inch, Cutting Width: 0.13 Inch, Cutting Speed: 6 - 8 in./min., #51 Orifice