Acetylene Air Outfit Flame Type Soft Compatible Fuel Cylinder Size B Included Acetylene Regulator CGA Number CGA-520 Ignition Type External Lighter Tip Manufacturer Part Number NE180-1 NE180-2 NE180-3 Soft Solder Size (Maximum) 2 in Soft Solder Size (Minimum) 3/8 in Connection Type Threaded Kit Series Handi-Heet Includes RL121 R Grade Hose Included Torch Handle Manufacturer Part Number NE180A Included Acetylene Regulator Manufacturer Model Number 30-15-520