Cutting Tip 1 Piece 102D7S Size 7 Gas Service Acetylene Flame Type Medium Preheat Steel Thickness 8 In. Fuel Pressure 4.3 psi Oxygen Pressure 100 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 Koike Products