Toolcraft 120w butane gas soldering burner set toolcraft sh021c6r a universal gas solderburner combination with ergonomic design and convenient piezo electric self ignition the soldering iron is continuously adjustable from 30 to 120 w equivalent to an electric soldering iron and is ideal for use where there is no mains power supply it is supplied in a comprehensive 10 piece kit in a convenient plastic case toolcraft sh021c6r gas soldering burner set 120w