Smith Equipment SC50-2 Cutting Tip, 2-Piece, Series: SC50, Size: #2, Flow Rate: Oxygen: 135 scfh (Cutting), Propane: 16 - 75 scfh, Natural Gas: 40 - 70 scfh (Preheat), Pressure: Propane: 10 psig, Natural Gas: 6 psig (Preheat), Oxygen: 51 psig Regulator/50 psig Torch (Cutting), Flame Type: Heavy Preheat, Gas Service: Natural Gas, Propane, Cutting Thickness: 1-1/4 Inch, Cutting Width: 0.095 Inch, Cutting Speed: 13 in./min.