Cutting Tip 1 Piece SC-140 Size 2 Gas Service Propane Steel Thickness 1-1/4 In. Fuel Pressure 10 psi Oxygen Pressure 35 to 40 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 Smith Products