Cutting Tip Standard 375 Size 2 Gas Service Liquid Natural Gas Flame Type Heavy Fast Preheat Steel Thickness 3/8 In. Fuel Pressure 6 to 10 psi Oxygen Pressure 10 psi MAPP Gas Silver Solder No MAPP Gas Silver Braze No MAPP Gas Soft Solder No Propane Gas Silver Solder No Propane Gas Silver Braze No Propane Gas Soft Solder No Silver Solder Tube No Soft Solder Tube Cap. No For Use With Airco Products