Air/Acetylene Kit, Flame Type Soft, Compatible Fuel Cylinder Size B, Included Acetylene Regulator CGA Number CGA-520, Ignition Type External Lighter, Tip Manufacturer Part Number S-4, Soft Solder Size (Maximum) 1 in, Soft Solder Size (Minimum) 1/2 in, Silver Braze Size (Maximum) 1/2 in, Silver Braze Size (Minimum) 1/8 in, Connection Type Threaded, Kit Series Sof-Flame, Includes AH-12 Hose, Gauge Guard, Included Torch Handle Manufacturer Part Number WA-400