Oursmile Professional Watch Repair Tool Kit Set, Antimagnetic Screwdriver, Portable Tool Kit, Perfect Kit Watchmaker Comes organized in a zip-up storage case with a fitted strap for each tool. Spring bar remover for strap adjustment/replacement. Antimagnetic screwdriver for removing battery covers. The practical watch repair remover kit helps you to open watchcase, repair watchband etc. Professional made, practical for watch repairing.