Heating Nozzle, Compatible Fuel Type Natural Gas, Propane, Propylene, Compatible Torch Series HD 310C, Tip Series 55, Tip Size 10, Tip Design Tube & Head, Compatible Manufacturer Victor, Application Heat Treating, Priming, Straightening, Compatible Torch Grainger Part Number 25DV27, 25DV28, 5KJ44, Compatible Torch Manufacturer Part Number HD 310C, Flame Type Multi-Flame, Maximum Oxygen Flow Rate 460 scfh, Minimum Fuel Pressure Rating 15 psig (Acetylene), Minimum Oxygen Flow Rate 356 scfh. This item has been restricted from sale in the following state (s): []