Features Threaded Magnetic Adapter Compatible with screw thread This adapter allows you to accommodate most of the screw threaded items. They are a good addition to yours because having a pack of these will ensure that all style enjoyment will be possible They are easy get lost for small size, so make sure you always have one handy for the use About the Quality These adapter won't break easily as of the High-quality materials, However not make the connection too tight, as it may get you into the problem of making the threaded connections getting loose altogether. The adapter is made to be simple and straight forward. what you need to do is connect and slide it in the power source. Make sure the magnetic face of the Adaptor is clean and is free from smudges.