Metcal GT90 Soldering Station and Power Adapter 90-Watt is an adjustable temperature station that uses inductive technology as the heating mechanism. The complete system includes a soldering station with an external power supply, a hand-piece, and a work stand to support a variety of soldering and rework applications using the associated tips and cartridges. The GT adjustable temperature technology has a fast repeatable heating mechanism and encompasses the convenience of temperature adjustment with the stability and performance of inductive heating.