Mulit-function: You can use this watch repair kit for opening watch backs, watchband adjustment, changing watch batteries, gaskets, adjusting bands and so on Suit for most watches: The 147 pcs watch repair kit are made by high quality material, suit for both professional and general use, solutions for most watch repair requirements Self reliance: The watch kit is small and easy to clean, which can help you solve your watch problem done at home instead of going for watch repair shops You can enjoy the fun of repair the watch at home Perfect for watchmakers and collectors: This watch repair kit is perfect for watchmakers and collectors And it is very convenient, practical, protable, durable and easy to use Easy to carry: For this watch repair kit, wich is included a black carry case It is quite easy to storage, after your using you can put them into the case