Cutting Tip Compatible Fuel Type MAPP Propylene For Torch Type Handheld Tip Series A-SP Tip Size 54 Tip Design One Piece Maximum Cutting Thickness 1 1/4 in Compatible Manufacturer Airco Application Hand Cutting Flame Type 8 Preheat Pressure Rating (Fuel) 3 to 6 psi Pressure Rating (Oxygen) 80 to 100 psi