Iroda Solderpro 70K 4 IN 1 Butane Powered Soldering Iron Kit #PRO-70K  Features • A manual ignition tool (power range 25w-80w) with three extra tips plus cored solder and a cleaning sponge.  • All packed in a tough polypropylene carrying case.  Applications • Electrical / Electronic circuit repair • Light gauge welding • Blazing • Light plumbing • Jewelry, eyeglass frame repair • Model building  • Arts &amp; Crafts • Dental Wax corrections • Thawing frozen locks