High Quality: This 147 PCS High Quality Watch Repair Tool Set is suitable for both professional and professional, most watches repair solutions. Repair Kit - Perfect: For very common tasks such as opening the back of the watch, adjusting the strap, replacing watch batteries, washers, adjustment straps, etc. Multifunction: The watchmaker's tool kit is for removing or opening the watch case, adjusting or replacing the watch band, replacing the battery, gaskets, etc. This repair tool helps you repair your watch at home instead of going to a repair shop. Save time. Convenient: Come with a black nylon case for convenient storage, easy to maintain and get the job done, wherever you are. Great for beginners and professional maintenance watchmakers: You can use this complete kit to repair your watch, not only to help you avoid going to the watch repair store, save money, but also to bring you happiness during the repair process, it is easier to use than you think. .