Mini Soldering Torch. Ideal for small soldering jobs on Sterling Silver and Carat Gold. The torch runs on butane gas (lighter fuel) but is supplied empty. The piezo electric ignition system gives instant lighting. The flame is adjustable in length from 12mm to 32mm, the maximum temperature is about 1300 degrees C. Once refuelled the working time is about 90 mins. Comes complete with a base for when not in use.