Smith Equipment SC50-0 Cutting Tip, 2-Piece, Series: SC50, Size: #0, Flow Rate: Oxygen: 50 scfh (Cutting), Propane: 13 - 47 scfh, Natural Gas: 38 - 62 scfh (Preheat), Pressure: Propane: 10 psig, Natural Gas: 5 psig (Preheat), Oxygen: 35 psig (Cutting), Flame Type: Heavy Preheat, Gas Service: Natural Gas, Propane, Cutting Thickness: 3/8 Inch, Cutting Width: 0.055 Inch, Cutting Speed: 20 in./min.