All devices are examined SEV and correspond to the regulations of the Swiss federal and European Starkstrominspektorates. ZEDES soldering iron made of chrome-plated steel and nickel plated to copper parts. This lends a better efficiency and a very long life span to the devices. ZEDES soldering irons are suitable for continous use. The threaded connections permit an attaching of different points and special devices. For fuel stamps we ask you for the following data, so that we can make an offer for you. Number of letters and letter size. We offer immediate delivery after order entrance and a prompt repair service to you