Cutting Tip, Compatible Fuel Type Natural Gas, Propane, For Torch Type Handheld, Machine, Tip Series 219, Tip Size 4, Tip Design Two Piece, Maximum Cutting Thickness 2 1/2 in, Compatible Manufacturer Airco, Application General Purpose, Hand Cutting, Machine Cutting, Flame Type Light Preheat, Oxygen Flow Rate 610 cfh, Pressure Rating (Oxygen) 50 psi. This item has been restricted from sale in the following state (s): []