HarrisĀ® 1501230 Cutting Tip, Size: #1, 4 oz - 2 psig (Low), 5 - 15 psig (Equal), Oxygen: 35 - 50 psig, Flame Type: Medium Preheat, Gas Service: Natural Gas, Propane, Cutting Thickness: 5/8 - 1 Inch, #56 Orifice