High quality and professional watch repair tools, they can solve most repair problems. There are two kinds of watch and back repair tools, manual and semi-automatic, you can choose your favorite tool to repair and enjoy the fun of two different repair methods. Metal bracelet disassembly tools, professional clip tools, anti-magnetic screwdrivers and other excellent tools will give you a different experience. All kits in the bag, small, clean, convenient, easy to use and store. 507 pieces