Monkeybrother 13pcs Portable Watch Repair Tool Kit Case with One Free Hammer, Perfect Watchmaker Screwdriver Set 1*13 PCS watch repair tool kit, one free hammer and one Nylon carrying case(Professional 30pcs watch repair tool kit in nylon bag) Portable handy box set design,easy to carry.This is a comprehensive set of tools to meet your watch repair. Can be set in different positions for different size cases. Included to do the most common tasks like watchband adjustment, opening watch backs, changing watch batteries, changing watch gaskets, adjusting watch bands, and more. The practical watch repair remover kit helps you to open watchcase, repair watchband etc. Case size: Approx. 26*15.5*4.5cm(L*W*H) / 4" x 8" x 2" (L*W*H)