Cutting Tip, Compatible Fuel Type Acetylene, For Torch Type Handheld, Tip Series MC12, Tip Size 4, Tip Design One Piece, Minimum Cutting Thickness 2 1/2 in, Maximum Cutting Thickness 4 in, Compatible Cutting Attachment AC309, CC509P, DG109A, MC505, MC509, Compatible Manufacturer Smith, Flame Type Medium Preheat, Fuel Flow Rate 12 scfh (Preheat Acetylene), Oxygen Flow Rate 14 scfh (Preheat), 249 to 320 scfh (Cutting), Pressure Rating (Fuel) 10 psig (Acetylene), Pressure Rating (Oxygen) 65 psig WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -