1、Usage: Press closing watch mainspring barrel is mainly used for professional maintenance tools commonly used in repairing or replacing the mainspring.  2、Suitable For: Close mainspring barrel tool is a professional maintenance tool for the watchmaker, which can help you a lot when you need to service your watch.  3、Wide Application: Watch spring press box is widely used for watch repair, spring tool, spring repair tool and clock repair, perfect for watch shops and home use.  4、Easy Carry: Watch press closing covers tool is small in size, easy to store, and light in weight, will not increase your workload, which can bring you a lot of convenience.  5、Excellent Resin: Made of resin material, safe and durable, professional closed main spring box can provide you with a lot of help when you repair your watch.