Watch Repair Tool Kit Set, Antimagnetic Screwdriver, Portable Tool Kit, Perfect Kit Watchmaker 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 Case size: Approx. 26*15.5*4.5cm(L*W*H)