Gas soldering iron works pretty well with the high quality soldering tip .Fast heating can melt silver and gold solder small brazing rods and many other materials. If tip is too hot could turn the device down a little bit it is OK. This lightweight portable cordless device no electricity device is perfect for your DIY projects. - Ideal for emergency repairs or use where electricity isn't easily accessible - Anti-slip hard rubber handle for more safety - Refillable from butane lighter gas (8ml) - On-off switch replaceable tip - 450 Degrees C 1300 Degrees C flame maximum temperature