Smith Equipment MC12-1 Cutting Tip, Medium-Duty, Series: MC12, Size: 2-3/4 Inch, Flow Rate: Acetylene: 7 scfh (Preheat), Oxygen: 75 - 81 scfh (Cutting), 9 scfh (Preheat), Pressure: Acetylene: 10 psig, Oxygen: 45 - 50 psig, Gas Service: Acetylene, Cutting Thickness: 1/2 - 5/8 Inch, Cutting Width: 0.08 Inch, Swaged Copper