The Weller SPG80 Soldering Iron is ready for intricate seams required for making stained glass projects. It's even handy for repairing old solder work. This iron is simple and safe to use with an indicator light that shows, at a glance, if the iron is on or not. Packs 80 watts of power into a sleek design. To maintain the proper temperature, a temperature control unit is suggested (sold separately).