Expand your Hoke torch's capabilities with this precision adapter set. Ideal for all soldering, welding and melting jobs. Even fine intricate soldering, from the thinnest chains, rings, pendants and bangles; to large silver hollowware can be done quickly and easily. With these tips you get a less oxidizing flame, so less pickling is required and jewelry comes out cleaner. Changing tips takes only seconds. Please note: The adapter tips are not recommended for use with acetylene.