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