HarrisĀ® 1501370 Cutting Tip, High-Speed Machine, Size: #1, Flow Rate: Oxygen: 235 cfh, 4 oz - 2 psig, Oxygen: 100 psig (Cutting), 12 - 35 psig (Preheat), Gas Service: Natural Gas, Propane, Cutting Thickness: 2 Inch, Cutting Width: 0.09 Inch, Cutting Speed: 13 - 15 in./min., #56 Orifice