Weller butane gas operated soldering iron set is suitable for all kinds of applications the 3 function soldering iron allows the tool to be used for soldering hot air and open flame with an operating time of 30 minutes features piezo electronic automatic ignition system and gas capacity display supplied in a sturdy storage box gas not supplied use gas refill pgr1 comes with solder lead free 10mm dia 15g cleaning sponge 3 soldering tips conical 10 mm und 24mm chisel shaped 24mm plus hot knife hea