Ameriflame MD71TH 6-Inch Light Duty Welding Handle for General Purpose Heating, Brazing, Welding and Other Flame Processes Welds Up To .25-Inch with The Proper Tip Tube Within A Tube Design and 4 O-Ring Seals For Durability and Long Life Can Be Used with Most Fuel Gases and Acetylene Use with MD100CA Cutting Attachment