HarrisĀ® 1501380 Cutting Tip, High-Speed Machine, Size: #1-1/2, Flow Rate: Oxygen: 250 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: 3 Inch, Cutting Width: 0.11 Inch, Cutting Speed: 9 - 12 in./min., #54 Orifice