Cold to the Touch Soldering Iron - An award winning soldering iron, which is cordless, so you can use it on board. A safe, lightweight tool which will heat instantly, but cools in seconds, and you can touch it with your finger without burning, yet instantly melt solder on contact. It tins 12 to 24 gauge wire and has a built in LED worklight - Uses 5 x AA batteries which will give, on average, 700 joints.