Cutting Tip, Compatible Fuel Type Natural Gas, Propane, Tip Series 106, Tip Size 4, Tip Design Two Piece, Maximum Cutting Thickness 2 in, Compatible Manufacturer Koike, Finish Chrome Plated, Flame Type Medium Preheat, Kerf Width 0.11 in, Maximum Cutting Speed 12.5 in/min, Pressure Rating (Fuel) 4.3 psi, Pressure Rating (Oxygen) 45 psi