Cutting Tip, Compatible Fuel Type Acetylene, For Torch Type Handheld, Machine, Tip Series 144, Tip Size 4, Tip Design One Piece, Maximum Cutting Thickness 2 1/2 in, Compatible Manufacturer Airco, Application Hand Cutting, Machine Cutting, Flame Type Medium Preheat, Fuel Flow Rate 3 to 25 scfh, Maximum Cutting Speed 8 in/min, Minimum Cutting Speed 11 in/min, Oxygen Flow Rate 263 scfh, Pressure Rating (Fuel) 3 psi, Pressure Rating (Oxygen) 50 psig