Welding Torch, Brazing, Swirl Flame, Trigger Igniter, Propane Gas Soft Solder 1/8 to 3 In, Propane Gas Silver Braze 1/4 to 3/4 In, Soft Solder Tube Capacity w/MAPP Gas 1/4 to 4 In, Silver Braze Tube With Mapp Gas 1/4 to 1 1/2 In, Fuel Propane or Methylacetlene/Propadiene Gas, Aluminum, Brass, and Stainless Steel, High Output, Pre Tested, Pressure Regulated