Using this tool is a breeze. When you need to adjust parts on your bike, just pick the right hex wrench or screwdriver from the tool. Hold it firmly by the side grips to ensure a good grip. For maintenance, keep it clean after each use. You can wipe it with a dry cloth. Store it in a dry place to prevent rust. As it has a lifetime warranty, if you face any issues, don't hesitate to contact the manufacturer.